102978588 has 24 divisors (see below), whose sum is σ = 254418192. Its totient is φ = 32306944.

The previous prime is 102978587. The next prime is 102978611. The reversal of 102978588 is 885879201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102978581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252195 + ... + 252602.

It is an arithmetic number, because the mean of its divisors is an integer number (10600758).

Almost surely, 2^102978588 is an apocalyptic number.

It is an amenable number.

102978588 is an abundant number, since it is smaller than the sum of its proper divisors (151439604).

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

102978588 is a wasteful number, since it uses less digits than its factorization.

102978588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504821 (or 504819 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 48.

The square root of 102978588 is about 10147.8366167376. The cubic root of 102978588 is about 468.7223303845.

The spelling of 102978588 in words is "one hundred two million, nine hundred seventy-eight thousand, five hundred eighty-eight".