253121040124 has 12 divisors (see below), whose sum is σ = 449573191144. Its totient is φ = 124671556944.

The previous prime is 253121040091. The next prime is 253121040143. The reversal of 253121040124 is 421040121352.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 472240479 + ... + 472241014.

Almost surely, 2^253121040124 is an apocalyptic number.

It is an amenable number.

253121040124 is a deficient number, since it is larger than the sum of its proper divisors (196452151020).

253121040124 is a wasteful number, since it uses less digits than its factorization.

253121040124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 944481564 (or 944481562 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 253121040124 its reverse (421040121352), we get a palindrome (674161161476).

The spelling of 253121040124 in words is "two hundred fifty-three billion, one hundred twenty-one million, forty thousand, one hundred twenty-four".