1297653152 has 24 divisors (see below), whose sum is σ = 2560118400. Its totient is φ = 647464384.

The previous prime is 1297653109. The next prime is 1297653167. The reversal of 1297653152 is 2513567921.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27002 + ... + 57657.

It is an arithmetic number, because the mean of its divisors is an integer number (106671600).

Almost surely, 2^1297653152 is an apocalyptic number.

It is an amenable number.

1297653152 is a deficient number, since it is larger than the sum of its proper divisors (1262465248).

1297653152 is an equidigital number, since it uses as much as digits as its factorization.

1297653152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85148 (or 85140 counting only the distinct ones).

The product of its digits is 113400, while the sum is 41.

The square root of 1297653152 is about 36022.9531271383. The cubic root of 1297653152 is about 1090.7357353560.

The spelling of 1297653152 in words is "one billion, two hundred ninety-seven million, six hundred fifty-three thousand, one hundred fifty-two".