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121079 = 73353
BaseRepresentation
bin11101100011110111
320011002102
4131203313
512333304
62332315
71013000
oct354367
9204072
10121079
1182a72
125a09b
134315a
14321a7
1525d1e
hex1d8f7

121079 has 8 divisors (see below), whose sum is σ = 141600. Its totient is φ = 103488.

The previous prime is 121067. The next prime is 121081. The reversal of 121079 is 970121.

It is not a de Polignac number, because 121079 - 24 = 121063 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121079.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167 + ... + 519.

It is an arithmetic number, because the mean of its divisors is an integer number (17700).

2121079 is an apocalyptic number.

121079 is a deficient number, since it is larger than the sum of its proper divisors (20521).

121079 is an frugal number, since it uses more digits than its factorization.

121079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374 (or 360 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 20.

The square root of 121079 is about 347.9640786058. The cubic root of 121079 is about 49.4716363031.

The spelling of 121079 in words is "one hundred twenty-one thousand, seventy-nine".

Divisors: 1 7 49 343 353 2471 17297 121079