1264725874 has 8 divisors (see below), whose sum is σ = 1897242588. Its totient is φ = 632311680.

The previous prime is 1264725859. The next prime is 1264725881. The reversal of 1264725874 is 4785274621.

It can be written as a sum of positive squares in 2 ways, for example, as 1142778025 + 121947849 = 33805^2 + 11043^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 26074 + ... + 56650.

Almost surely, 2^1264725874 is an apocalyptic number.

1264725874 is a deficient number, since it is larger than the sum of its proper divisors (632516714).

1264725874 is a wasteful number, since it uses less digits than its factorization.

1264725874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51260.

The product of its digits is 752640, while the sum is 46.

The square root of 1264725874 is about 35562.9846047825. The cubic root of 1264725874 is about 1081.4309661175.

The spelling of 1264725874 in words is "one billion, two hundred sixty-four million, seven hundred twenty-five thousand, eight hundred seventy-four".