252520239122 has 6 divisors (see below), whose sum is σ = 378781424679. Its totient is φ = 126259764230.

The previous prime is 252520239107. The next prime is 252520239133. The reversal of 252520239122 is 221932025252.

It can be written as a sum of positive squares in only one way, i.e., 126260119561 + 126260119561 = 355331^2 + 355331^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=355331.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 532997 + ... + 888327.

Almost surely, 2^252520239122 is an apocalyptic number.

252520239122 is a deficient number, since it is larger than the sum of its proper divisors (126261185557).

252520239122 is an frugal number, since it uses more digits than its factorization.

252520239122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710664 (or 355333 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 252520239122 in words is "two hundred fifty-two billion, five hundred twenty million, two hundred thirty-nine thousand, one hundred twenty-two".