102129796 has 12 divisors (see below), whose sum is σ = 178817548. Its totient is φ = 51039072.

The previous prime is 102129787. The next prime is 102129803. The reversal of 102129796 is 697921201.

It can be written as a sum of positive squares in 2 ways, for example, as 88172100 + 13957696 = 9390^2 + 3736^2 .

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4510 + ... + 14986.

Almost surely, 2^102129796 is an apocalyptic number.

It is an amenable number.

102129796 is a deficient number, since it is larger than the sum of its proper divisors (76687752).

102129796 is a wasteful number, since it uses less digits than its factorization.

102129796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12918 (or 12916 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 102129796 is about 10105.9287549438. The cubic root of 102129796 is about 467.4309749674.

The spelling of 102129796 in words is "one hundred two million, one hundred twenty-nine thousand, seven hundred ninety-six".