100209902 has 12 divisors (see below), whose sum is σ = 162767520. Its totient is φ = 46250568.

The previous prime is 100209899. The next prime is 100209911. The reversal of 100209902 is 209902001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 147902 + ... + 148577.

It is an arithmetic number, because the mean of its divisors is an integer number (13563960).

Almost surely, 2^100209902 is an apocalyptic number.

100209902 is a deficient number, since it is larger than the sum of its proper divisors (62557618).

100209902 is a wasteful number, since it uses less digits than its factorization.

100209902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296507 (or 296494 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 100209902 is about 10010.4895984163. The cubic root of 100209902 is about 464.4834159934.

The spelling of 100209902 in words is "one hundred million, two hundred nine thousand, nine hundred two".