120102687 has 6 divisors (see below), whose sum is σ = 173481672. Its totient is φ = 80068452.

The previous prime is 120102683. The next prime is 120102691. The reversal of 120102687 is 786201021.

It is an interprime number because it is at equal distance from previous prime (120102683) and next prime (120102691).

It is not a de Polignac number, because 120102687 - 2² = 120102683 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120102687.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120102683) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6672363 + ... + 6672380.

It is an arithmetic number, because the mean of its divisors is an integer number (28913612).

Almost surely, 2^120102687 is an apocalyptic number.

120102687 is a deficient number, since it is larger than the sum of its proper divisors (53378985).

120102687 is a wasteful number, since it uses less digits than its factorization.

120102687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13344749 (or 13344746 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 120102687 is about 10959.1371466918. The cubic root of 120102687 is about 493.3830680421.

The spelling of 120102687 in words is "one hundred twenty million, one hundred two thousand, six hundred eighty-seven".