107079921 has 48 divisors (see below), whose sum is σ = 177553920. Its totient is φ = 63685440.

The previous prime is 107079913. The next prime is 107079937. The reversal of 107079921 is 129970701.

It is not a de Polignac number, because 107079921 - 2³ = 107079913 is a prime.

It is a super-2 number, since 2×107079921² = 22932218962732482, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (107079121) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 141075 + ... + 141831.

It is an arithmetic number, because the mean of its divisors is an integer number (3699040).

Almost surely, 2^107079921 is an apocalyptic number.

It is an amenable number.

107079921 is a deficient number, since it is larger than the sum of its proper divisors (70473999).

107079921 is a wasteful number, since it uses less digits than its factorization.

107079921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823 (or 804 counting only the distinct ones).

The product of its (nonzero) digits is 7938, while the sum is 36.

The square root of 107079921 is about 10347.9428390381. The cubic root of 107079921 is about 474.8641103431.

The spelling of 107079921 in words is "one hundred seven million, seventy-nine thousand, nine hundred twenty-one".