123520252 has 24 divisors (see below), whose sum is σ = 223700400. Its totient is φ = 59638656.

The previous prime is 123520247. The next prime is 123520279. The reversal of 123520252 is 252025321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11274 + ... + 19342.

It is an arithmetic number, because the mean of its divisors is an integer number (9320850).

Almost surely, 2^123520252 is an apocalyptic number.

It is an amenable number.

123520252 is a deficient number, since it is larger than the sum of its proper divisors (100180148).

123520252 is a wasteful number, since it uses less digits than its factorization.

123520252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8205 (or 8203 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 123520252 is about 11113.9665286521. The cubic root of 123520252 is about 498.0191656199.

Adding to 123520252 its reverse (252025321), we get a palindrome (375545573).

The spelling of 123520252 in words is "one hundred twenty-three million, five hundred twenty thousand, two hundred fifty-two".