253011122 has 32 divisors (see below), whose sum is σ = 468475392. Its totient is φ = 99797184.

The previous prime is 253011071. The next prime is 253011131. The reversal of 253011122 is 221110352.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 253011122.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 66023 + ... + 69749.

It is an arithmetic number, because the mean of its divisors is an integer number (14639856).

Almost surely, 2^253011122 is an apocalyptic number.

253011122 is a deficient number, since it is larger than the sum of its proper divisors (215464270).

253011122 is a wasteful number, since it uses less digits than its factorization.

253011122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4122.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 253011122 is about 15906.3233338192. The cubic root of 253011122 is about 632.4796221049.

Adding to 253011122 its reverse (221110352), we get a palindrome (474121474).

The spelling of 253011122 in words is "two hundred fifty-three million, eleven thousand, one hundred twenty-two".