102386870 has 16 divisors (see below), whose sum is σ = 188583120. Its totient is φ = 40002144.

The previous prime is 102386863. The next prime is 102386873. The reversal of 102386870 is 78683201.

It is a super-2 number, since 2×102386870² = 20966142296793800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 102386870.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102386873) 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, 118625 + ... + 119484.

It is an arithmetic number, because the mean of its divisors is an integer number (11786445).

Almost surely, 2^102386870 is an apocalyptic number.

102386870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102386870 is a deficient number, since it is larger than the sum of its proper divisors (86196250).

102386870 is a wasteful number, since it uses less digits than its factorization.

102386870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238159.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 102386870 is about 10118.6397307148. The cubic root of 102386870 is about 467.8228412422.

The spelling of 102386870 in words is "one hundred two million, three hundred eighty-six thousand, eight hundred seventy".