102508790 has 16 divisors (see below), whose sum is σ = 187044768. Its totient is φ = 40441536.

The previous prime is 102508787. The next prime is 102508799. The reversal of 102508790 is 97805201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102508799) 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 7 ways as a sum of consecutive naturals, for example, 69482 + ... + 70941.

It is an arithmetic number, because the mean of its divisors is an integer number (11690298).

Almost surely, 2^102508790 is an apocalyptic number.

102508790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102508790 is a deficient number, since it is larger than the sum of its proper divisors (84535978).

102508790 is a wasteful number, since it uses less digits than its factorization.

102508790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140503.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 102508790 is about 10124.6624635096. The cubic root of 102508790 is about 468.0084585853.

The spelling of 102508790 in words is "one hundred two million, five hundred eight thousand, seven hundred ninety".