102071870 has 16 divisors (see below), whose sum is σ = 185053680. Its totient is φ = 40534464.

The previous prime is 102071869. The next prime is 102071951. The reversal of 102071870 is 78170201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35327 + ... + 38106.

It is an arithmetic number, because the mean of its divisors is an integer number (11565855).

Almost surely, 2^102071870 is an apocalyptic number.

102071870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102071870 is a deficient number, since it is larger than the sum of its proper divisors (82981810).

102071870 is a wasteful number, since it uses less digits than its factorization.

102071870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73579.

The product of its (nonzero) digits is 784, while the sum is 26.

The square root of 102071870 is about 10103.0624070130. The cubic root of 102071870 is about 467.3425857203.

The spelling of 102071870 in words is "one hundred two million, seventy-one thousand, eight hundred seventy".