1253520112 has 40 divisors (see below), whose sum is σ = 2620144800. Its totient is φ = 577524480.

The previous prime is 1253520091. The next prime is 1253520137. The reversal of 1253520112 is 2110253521.

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, 119562 + ... + 129622.

It is an arithmetic number, because the mean of its divisors is an integer number (65503620).

Almost surely, 2^1253520112 is an apocalyptic number.

It is an amenable number.

1253520112 is an abundant number, since it is smaller than the sum of its proper divisors (1366624688).

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

1253520112 is a wasteful number, since it uses less digits than its factorization.

1253520112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10681 (or 10675 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 1253520112 is about 35405.0859623303. The cubic root of 1253520112 is about 1078.2275774942.

Adding to 1253520112 its reverse (2110253521), we get a palindrome (3363773633).

The spelling of 1253520112 in words is "one billion, two hundred fifty-three million, five hundred twenty thousand, one hundred twelve".