102490842 has 16 divisors (see below), whose sum is σ = 206359200. Its totient is φ = 33934032.

The previous prime is 102490819. The next prime is 102490859. The reversal of 102490842 is 248094201.

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, 56428 + ... + 58215.

It is an arithmetic number, because the mean of its divisors is an integer number (12897450).

Almost surely, 2^102490842 is an apocalyptic number.

102490842 is an abundant number, since it is smaller than the sum of its proper divisors (103868358).

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

102490842 is a wasteful number, since it uses less digits than its factorization.

102490842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114797.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 102490842 is about 10123.7760741731. The cubic root of 102490842 is about 467.9811428592.

The spelling of 102490842 in words is "one hundred two million, four hundred ninety thousand, eight hundred forty-two".