102117874 has 16 divisors (see below), whose sum is σ = 159871320. Its totient is φ = 48858880.

The previous prime is 102117857. The next prime is 102117923. The reversal of 102117874 is 478711201.

It can be written as a sum of positive squares in 4 ways, for example, as 48930025 + 53187849 = 6995^2 + 7293^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1237 + ... + 14344.

Almost surely, 2^102117874 is an apocalyptic number.

102117874 is a deficient number, since it is larger than the sum of its proper divisors (57753446).

102117874 is a wasteful number, since it uses less digits than its factorization.

102117874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15725.

The product of its (nonzero) digits is 3136, while the sum is 31.

The square root of 102117874 is about 10105.3388859553. The cubic root of 102117874 is about 467.4127859271.

The spelling of 102117874 in words is "one hundred two million, one hundred seventeen thousand, eight hundred seventy-four".