102275870 has 16 divisors (see below), whose sum is σ = 185163840. Its totient is φ = 40673184.

The previous prime is 102275857. The next prime is 102275891. The reversal of 102275870 is 78572201.

It is a Curzon number.

It is a congruent number.

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, 27830 + ... + 31289.

It is an arithmetic number, because the mean of its divisors is an integer number (11572740).

Almost surely, 2^102275870 is an apocalyptic number.

102275870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102275870 is a deficient number, since it is larger than the sum of its proper divisors (82887970).

102275870 is a wasteful number, since it uses less digits than its factorization.

102275870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59299.

The product of its (nonzero) digits is 7840, while the sum is 32.

The square root of 102275870 is about 10113.1533163500. The cubic root of 102275870 is about 467.6537208844.

The spelling of 102275870 in words is "one hundred two million, two hundred seventy-five thousand, eight hundred seventy".