253889122 has 8 divisors (see below), whose sum is σ = 384327900. Its totient is φ = 125779824.

The previous prime is 253889093. The next prime is 253889131. The reversal of 253889122 is 221988352.

It can be written as a sum of positive squares in 2 ways, for example, as 253478241 + 410881 = 15921^2 + 641^2 .

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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 582097 + ... + 582532.

Almost surely, 2^253889122 is an apocalyptic number.

253889122 is a deficient number, since it is larger than the sum of its proper divisors (130438778).

253889122 is a wasteful number, since it uses less digits than its factorization.

253889122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164740.

The product of its digits is 69120, while the sum is 40.

The square root of 253889122 is about 15933.8985185673. The cubic root of 253889122 is about 633.2103883850.

The spelling of 253889122 in words is "two hundred fifty-three million, eight hundred eighty-nine thousand, one hundred twenty-two".