253994122 has 32 divisors (see below), whose sum is σ = 410728320. Its totient is φ = 117552960.

The previous prime is 253994107. The next prime is 253994123. The reversal of 253994122 is 221499352.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (253994123) by changing a digit.

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, 151533 + ... + 153199.

It is an arithmetic number, because the mean of its divisors is an integer number (12835260).

Almost surely, 2^253994122 is an apocalyptic number.

253994122 is a deficient number, since it is larger than the sum of its proper divisors (156734198).

253994122 is a wasteful number, since it uses less digits than its factorization.

253994122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1806.

The product of its digits is 38880, while the sum is 37.

The square root of 253994122 is about 15937.1930401812. The cubic root of 253994122 is about 633.2976678592.

The spelling of 253994122 in words is "two hundred fifty-three million, nine hundred ninety-four thousand, one hundred twenty-two".