102078906 has 32 divisors (see below), whose sum is σ = 217339200. Its totient is φ = 31870080.

The previous prime is 102078883. The next prime is 102078923. The reversal of 102078906 is 609870201.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5116 + ... + 15176.

It is an arithmetic number, because the mean of its divisors is an integer number (6791850).

Almost surely, 2^102078906 is an apocalyptic number.

102078906 is an abundant number, since it is smaller than the sum of its proper divisors (115260294).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102078906 is a wasteful number, since it uses less digits than its factorization.

102078906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10174.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 102078906 is about 10103.4106122636. The cubic root of 102078906 is about 467.3533237323.

The spelling of 102078906 in words is "one hundred two million, seventy-eight thousand, nine hundred six".