102870918 has 16 divisors (see below), whose sum is σ = 228602160. Its totient is φ = 34290288.

The previous prime is 102870871. The next prime is 102870919. The reversal of 102870918 is 819078201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102870919) 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, 952455 + ... + 952562.

It is an arithmetic number, because the mean of its divisors is an integer number (14287635).

Almost surely, 2^102870918 is an apocalyptic number.

102870918 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

102870918 is an abundant number, since it is smaller than the sum of its proper divisors (125731242).

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

102870918 is a wasteful number, since it uses less digits than its factorization.

102870918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1905028 (or 1905022 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 36.

The square root of 102870918 is about 10142.5301577072. The cubic root of 102870918 is about 468.5589147550.

The spelling of 102870918 in words is "one hundred two million, eight hundred seventy thousand, nine hundred eighteen".