1253725744 has 10 divisors (see below), whose sum is σ = 2429093660. Its totient is φ = 626862864.

The previous prime is 1253725729. The next prime is 1253725763. The reversal of 1253725744 is 4475273521.

It is a junction number, because it is equal to n+sod(n) for n = 1253725697 and 1253725706.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39178914 + ... + 39178945.

It is an arithmetic number, because the mean of its divisors is an integer number (242909366).

Almost surely, 2^1253725744 is an apocalyptic number.

It is an amenable number.

1253725744 is a deficient number, since it is larger than the sum of its proper divisors (1175367916).

1253725744 is an equidigital number, since it uses as much as digits as its factorization.

1253725744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78357867 (or 78357861 counting only the distinct ones).

The product of its digits is 235200, while the sum is 40.

The square root of 1253725744 is about 35407.9898328047. The cubic root of 1253725744 is about 1078.2865330622.

The spelling of 1253725744 in words is "one billion, two hundred fifty-three million, seven hundred twenty-five thousand, seven hundred forty-four".