102396520 has 16 divisors (see below), whose sum is σ = 230392260. Its totient is φ = 40958592.

The previous prime is 102396509. The next prime is 102396521. The reversal of 102396520 is 25693201.

It can be written as a sum of positive squares in 2 ways, for example, as 101727396 + 669124 = 10086^2 + 818^2 .

It is a super-2 number, since 2×102396520² = 20970094616220800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102396521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1279917 + ... + 1279996.

Almost surely, 2^102396520 is an apocalyptic number.

102396520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102396520 is an abundant number, since it is smaller than the sum of its proper divisors (127995740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102396520 is a wasteful number, since it uses less digits than its factorization.

102396520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2559924 (or 2559920 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 102396520 is about 10119.1165622301. The cubic root of 102396520 is about 467.8375382719.

The spelling of 102396520 in words is "one hundred two million, three hundred ninety-six thousand, five hundred twenty".