102045879 has 32 divisors (see below), whose sum is σ = 163511040. Its totient is φ = 62526816.

The previous prime is 102045857. The next prime is 102045901. The reversal of 102045879 is 978540201.

It is an interprime number because it is at equal distance from previous prime (102045857) and next prime (102045901).

It is not a de Polignac number, because 102045879 - 2¹¹ = 102043831 is a prime.

It is a super-2 number, since 2×102045879² = 20826722841765282, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102045079) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 107284 + ... + 108230.

It is an arithmetic number, because the mean of its divisors is an integer number (5109720).

Almost surely, 2^102045879 is an apocalyptic number.

102045879 is a deficient number, since it is larger than the sum of its proper divisors (61465161).

102045879 is a wasteful number, since it uses less digits than its factorization.

102045879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1276 (or 1270 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 102045879 is about 10101.7760319659. The cubic root of 102045879 is about 467.3029152010.

The spelling of 102045879 in words is "one hundred two million, forty-five thousand, eight hundred seventy-nine".