102552078 has 16 divisors (see below), whose sum is σ = 214022016. Its totient is φ = 32697720.

The previous prime is 102552059. The next prime is 102552083. The reversal of 102552078 is 870255201.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 371428 + ... + 371703.

It is an arithmetic number, because the mean of its divisors is an integer number (13376376).

Almost surely, 2^102552078 is an apocalyptic number.

102552078 is an abundant number, since it is smaller than the sum of its proper divisors (111469938).

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

102552078 is a wasteful number, since it uses less digits than its factorization.

102552078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743159.

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 102552078 is about 10126.7999881503. The cubic root of 102552078 is about 468.0743270801.

The spelling of 102552078 in words is "one hundred two million, five hundred fifty-two thousand, seventy-eight".