252435122 has 8 divisors (see below), whose sum is σ = 380615196. Its totient is φ = 125563392.

The previous prime is 252435109. The next prime is 252435137. The reversal of 252435122 is 221534252.

It can be written as a sum of positive squares in 2 ways, for example, as 251825161 + 609961 = 15869^2 + 781^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 252435091 and 252435100.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 326603 + ... + 327374.

Almost surely, 2^252435122 is an apocalyptic number.

252435122 is a deficient number, since it is larger than the sum of its proper divisors (128180074).

252435122 is a wasteful number, since it uses less digits than its factorization.

252435122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654172.

The product of its digits is 4800, while the sum is 26.

The square root of 252435122 is about 15888.2070102325. The cubic root of 252435122 is about 631.9992939825. Note that the first 3 decimals are identical.

Adding to 252435122 its reverse (221534252), we get a palindrome (473969374).

The spelling of 252435122 in words is "two hundred fifty-two million, four hundred thirty-five thousand, one hundred twenty-two".