123520996 has 9 divisors (see below), whose sum is σ = 216200649. Its totient is φ = 61749384.

The previous prime is 123520993. The next prime is 123521039. The reversal of 123520996 is 699025321.

The square root of 123520996 is 11114.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 116424100 + 7096896 = 10790^2 + 2664^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123520993) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 19450 + ... + 25006.

Almost surely, 2^123520996 is an apocalyptic number.

123520996 is the 11114-th square number.

It is an amenable number.

123520996 is a deficient number, since it is larger than the sum of its proper divisors (92679653).

123520996 is an frugal number, since it uses more digits than its factorization.

123520996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11118 (or 5559 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 37.

The cubic root of 123520996 is about 498.0201655248.

The spelling of 123520996 in words is "one hundred twenty-three million, five hundred twenty thousand, nine hundred ninety-six".