79120051 has 4 divisors (see below), whose sum is σ = 79689400. Its totient is φ = 78550704.

The previous prime is 79120039. The next prime is 79120061. The reversal of 79120051 is 15002197.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 79120051 - 2²³ = 70731443 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 79119998 and 79120025.

It is not an unprimeable number, because it can be changed into a prime (79120061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 284466 + ... + 284743.

It is an arithmetic number, because the mean of its divisors is an integer number (19922350).

Almost surely, 2^79120051 is an apocalyptic number.

79120051 is a deficient number, since it is larger than the sum of its proper divisors (569349).

79120051 is a wasteful number, since it uses less digits than its factorization.

79120051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569348.

The product of its (nonzero) digits is 630, while the sum is 25.

The square root of 79120051 is about 8894.9452499720. The cubic root of 79120051 is about 429.3012827757.

The spelling of 79120051 in words is "seventy-nine million, one hundred twenty thousand, fifty-one".