102190980 has 24 divisors (see below), whose sum is σ = 286134912. Its totient is φ = 27250912.

The previous prime is 102190967. The next prime is 102191027. The reversal of 102190980 is 89091201.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

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, 851532 + ... + 851651.

It is an arithmetic number, because the mean of its divisors is an integer number (11922288).

Almost surely, 2^102190980 is an apocalyptic number.

102190980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102190980 is an abundant number, since it is smaller than the sum of its proper divisors (183943932).

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

102190980 is a wasteful number, since it uses less digits than its factorization.

102190980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1703195 (or 1703193 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 30.

The square root of 102190980 is about 10108.9554356521. The cubic root of 102190980 is about 467.5242993080.

The spelling of 102190980 in words is "one hundred two million, one hundred ninety thousand, nine hundred eighty".