123565252 has 6 divisors (see below), whose sum is σ = 216239198. Its totient is φ = 61782624.

The previous prime is 123565241. The next prime is 123565271. The reversal of 123565252 is 252565321.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 122899396 + 665856 = 11086^2 + 816^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15445653 + ... + 15445660.

Almost surely, 2^123565252 is an apocalyptic number.

It is an amenable number.

123565252 is a deficient number, since it is larger than the sum of its proper divisors (92673946).

123565252 is a wasteful number, since it uses less digits than its factorization.

123565252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30891317 (or 30891315 counting only the distinct ones).

The product of its digits is 18000, while the sum is 31.

The square root of 123565252 is about 11115.9908240336. The cubic root of 123565252 is about 498.0796365174.

The spelling of 123565252 in words is "one hundred twenty-three million, five hundred sixty-five thousand, two hundred fifty-two".