Search a number
-
+
121121300 = 22529471279
BaseRepresentation
bin1110011100000…
…10101000010100
322102220121012002
413032002220110
5222001340200
620004014432
73000341216
oct716025024
9272817162
10121121300
1162408253
1234691418
131c12a411
141212c5b6
15a977bd5
hex7382a14

121121300 has 36 divisors (see below), whose sum is σ = 263316480. Its totient is φ = 48359520.

The previous prime is 121121293. The next prime is 121121317. The reversal of 121121300 is 3121121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 94061 + ... + 95339.

Almost surely, 2121121300 is an apocalyptic number.

121121300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121121300 is an abundant number, since it is smaller than the sum of its proper divisors (142195180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121121300 is a wasteful number, since it uses less digits than its factorization.

121121300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2240 (or 2233 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 121121300 is about 11005.5122552292. The cubic root of 121121300 is about 494.7739674752.

Adding to 121121300 its reverse (3121121), we get a palindrome (124242421).

The spelling of 121121300 in words is "one hundred twenty-one million, one hundred twenty-one thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 947 1279 1894 2558 3788 4735 5116 6395 9470 12790 18940 23675 25580 31975 47350 63950 94700 127900 1211213 2422426 4844852 6056065 12112130 24224260 30280325 60560650 121121300