120698665917 has 32 divisors (see below), whose sum is σ = 165741396480. Its totient is φ = 78085922880.

The previous prime is 120698665877. The next prime is 120698665949. The reversal of 120698665917 is 719566896021.

It is not a de Polignac number, because 120698665917 - 2⁶ = 120698665853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120698665987) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44033167 + ... + 44035907.

It is an arithmetic number, because the mean of its divisors is an integer number (5179418640).

Almost surely, 2^120698665917 is an apocalyptic number.

It is an amenable number.

120698665917 is a deficient number, since it is larger than the sum of its proper divisors (45042730563).

120698665917 is a wasteful number, since it uses less digits than its factorization.

120698665917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4873.

The product of its (nonzero) digits is 9797760, while the sum is 60.

The spelling of 120698665917 in words is "one hundred twenty billion, six hundred ninety-eight million, six hundred sixty-five thousand, nine hundred seventeen".