102665002 has 16 divisors (see below), whose sum is σ = 169571232. Its totient is φ = 46228720.

The previous prime is 102664997. The next prime is 102665021. The reversal of 102665002 is 200566201.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 19453 + ... + 24160.

It is an arithmetic number, because the mean of its divisors is an integer number (10598202).

Almost surely, 2^102665002 is an apocalyptic number.

102665002 is a deficient number, since it is larger than the sum of its proper divisors (66906230).

102665002 is a wasteful number, since it uses less digits than its factorization.

102665002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43733.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 102665002 is about 10132.3739567783. The cubic root of 102665002 is about 468.2460688829.

The spelling of 102665002 in words is "one hundred two million, six hundred sixty-five thousand, two".