102521996 has 6 divisors (see below), whose sum is σ = 179413500. Its totient is φ = 51260996.

The previous prime is 102521987. The next prime is 102522011. The reversal of 102521996 is 699125201.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12815246 + ... + 12815253.

It is an arithmetic number, because the mean of its divisors is an integer number (29902250).

Almost surely, 2^102521996 is an apocalyptic number.

It is an amenable number.

102521996 is a deficient number, since it is larger than the sum of its proper divisors (76891504).

102521996 is a wasteful number, since it uses less digits than its factorization.

102521996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25630503 (or 25630501 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 102521996 is about 10125.3146123960. The cubic root of 102521996 is about 468.0285552499.

The spelling of 102521996 in words is "one hundred two million, five hundred twenty-one thousand, nine hundred ninety-six".