102376989 has 72 divisors (see below), whose sum is σ = 181565280. Its totient is φ = 55036800.

The previous prime is 102376987. The next prime is 102376993. The reversal of 102376989 is 989673201.

It is not a de Polignac number, because 102376989 - 2¹ = 102376987 is a prime.

It is a super-2 number, since 2×102376989² = 20962095753412242, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102376987) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 485094 + ... + 485304.

It is an arithmetic number, because the mean of its divisors is an integer number (2521740).

Almost surely, 2^102376989 is an apocalyptic number.

It is an amenable number.

102376989 is a deficient number, since it is larger than the sum of its proper divisors (79188291).

102376989 is a wasteful number, since it uses less digits than its factorization.

102376989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283 (or 267 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 102376989 is about 10118.1514616060. The cubic root of 102376989 is about 467.8077914407.

The spelling of 102376989 in words is "one hundred two million, three hundred seventy-six thousand, nine hundred eighty-nine".