121321050 has 48 divisors (see below), whose sum is σ = 308230272. Its totient is φ = 31561600.

The previous prime is 121321049. The next prime is 121321069. The reversal of 121321050 is 50123121.

It is a super-3 number, since 3×121321050³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3714 + ... + 16013.

It is an arithmetic number, because the mean of its divisors is an integer number (6421464).

Almost surely, 2^121321050 is an apocalyptic number.

121321050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121321050 is an abundant number, since it is smaller than the sum of its proper divisors (186909222).

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

121321050 is a wasteful number, since it uses less digits than its factorization.

121321050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19783 (or 19778 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 121321050 is about 11014.5835145955. The cubic root of 121321050 is about 495.0458074127.

Adding to 121321050 its reverse (50123121), we get a palindrome (171444171).

The spelling of 121321050 in words is "one hundred twenty-one million, three hundred twenty-one thousand, fifty".