102909304 has 16 divisors (see below), whose sum is σ = 194866920. Its totient is φ = 50944800.

The previous prime is 102909251. The next prime is 102909307. The reversal of 102909304 is 403909201.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102909307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62874 + ... + 64489.

Almost surely, 2^102909304 is an apocalyptic number.

It is an amenable number.

102909304 is a deficient number, since it is larger than the sum of its proper divisors (91957616).

102909304 is a wasteful number, since it uses less digits than its factorization.

102909304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127470 (or 127466 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 102909304 is about 10144.4223098213. The cubic root of 102909304 is about 468.6171879973.

The spelling of 102909304 in words is "one hundred two million, nine hundred nine thousand, three hundred four".