1253120708 has 18 divisors (see below), whose sum is σ = 2550996126. Its totient is φ = 537051648.

The previous prime is 1253120689. The next prime is 1253120731. The reversal of 1253120708 is 8070213521.

It can be written as a sum of positive squares in only one way, i.e., 1251602884 + 1517824 = 35378^2 + 1232^2 .

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 3196541 + ... + 3196932.

It is an arithmetic number, because the mean of its divisors is an integer number (141722007).

Almost surely, 2^1253120708 is an apocalyptic number.

It is an amenable number.

1253120708 is an abundant number, since it is smaller than the sum of its proper divisors (1297875418).

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

1253120708 is a wasteful number, since it uses less digits than its factorization.

1253120708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6393491 (or 6393482 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 1253120708 is about 35399.4450238983. The cubic root of 1253120708 is about 1078.1130482445.

The spelling of 1253120708 in words is "one billion, two hundred fifty-three million, one hundred twenty thousand, seven hundred eight".