252555122 has 8 divisors (see below), whose sum is σ = 383089500. Its totient is φ = 124858624.

The previous prime is 252555119. The next prime is 252555133. The reversal of 252555122 is 221555252.

It can be written as a sum of positive squares in 2 ways, for example, as 245580241 + 6974881 = 15671^2 + 2641^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 709247 + ... + 709602.

Almost surely, 2^252555122 is an apocalyptic number.

252555122 is a deficient number, since it is larger than the sum of its proper divisors (130534378).

252555122 is a wasteful number, since it uses less digits than its factorization.

252555122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1418940.

The product of its digits is 10000, while the sum is 29.

The square root of 252555122 is about 15891.9829473858. The cubic root of 252555122 is about 632.0994225496.

The spelling of 252555122 in words is "two hundred fifty-two million, five hundred fifty-five thousand, one hundred twenty-two".