123264539252 has 24 divisors (see below), whose sum is σ = 217211641920. Its totient is φ = 61204334400.

The previous prime is 123264539249. The next prime is 123264539317. The reversal of 123264539252 is 252935462321.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1935899 + ... + 1998557.

It is an arithmetic number, because the mean of its divisors is an integer number (9050485080).

Almost surely, 2^123264539252 is an apocalyptic number.

It is an amenable number.

123264539252 is a deficient number, since it is larger than the sum of its proper divisors (93947102668).

123264539252 is a wasteful number, since it uses less digits than its factorization.

123264539252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66071 (or 66069 counting only the distinct ones).

The product of its digits is 777600, while the sum is 44.

The spelling of 123264539252 in words is "one hundred twenty-three billion, two hundred sixty-four million, five hundred thirty-nine thousand, two hundred fifty-two".