253512120 has 32 divisors (see below), whose sum is σ = 760536720. Its totient is φ = 67603200.

The previous prime is 253512089. The next prime is 253512131. The reversal of 253512120 is 21215352.

253512120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1056181 + ... + 1056420.

Almost surely, 2^253512120 is an apocalyptic number.

253512120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253512120 is an abundant number, since it is smaller than the sum of its proper divisors (507024600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

253512120 is a wasteful number, since it uses less digits than its factorization.

253512120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2112615 (or 2112611 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 253512120 is about 15922.0639365630. The cubic root of 253512120 is about 632.8968133902.

Adding to 253512120 its reverse (21215352), we get a palindrome (274727472).

The spelling of 253512120 in words is "two hundred fifty-three million, five hundred twelve thousand, one hundred twenty".