123252512 has 12 divisors (see below), whose sum is σ = 242653446. Its totient is φ = 61626240.

The previous prime is 123252511. The next prime is 123252517. The reversal of 123252512 is 215252321.

It can be written as a sum of positive squares in only one way, i.e., 102495376 + 20757136 = 10124^2 + 4556^2 .

It is not an unprimeable number, because it can be changed into a prime (123252511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1925789 + ... + 1925852.

Almost surely, 2^123252512 is an apocalyptic number.

It is an amenable number.

123252512 is a deficient number, since it is larger than the sum of its proper divisors (119400934).

123252512 is an equidigital number, since it uses as much as digits as its factorization.

123252512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3851651 (or 3851643 counting only the distinct ones).

The product of its digits is 1200, while the sum is 23.

The square root of 123252512 is about 11101.9147898009. The cubic root of 123252512 is about 497.6590732279.

The spelling of 123252512 in words is "one hundred twenty-three million, two hundred fifty-two thousand, five hundred twelve".