1264110625 has 40 divisors (see below), whose sum is σ = 1631627712. Its totient is φ = 978600000.

The previous prime is 1264110611. The next prime is 1264110643. The reversal of 1264110625 is 5260114621.

It is not a de Polignac number, because 1264110625 - 2⁵ = 1264110593 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1264110593 and 1264110602.

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 39 ways as a sum of consecutive naturals, for example, 2706642 + ... + 2707108.

Almost surely, 2^1264110625 is an apocalyptic number.

It is an amenable number.

1264110625 is a deficient number, since it is larger than the sum of its proper divisors (367517087).

1264110625 is an frugal number, since it uses more digits than its factorization.

1264110625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619 (or 604 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 1264110625 is about 35554.3334208363. Note that the first 3 decimals coincide. The cubic root of 1264110625 is about 1081.2555770592.

The spelling of 1264110625 in words is "one billion, two hundred sixty-four million, one hundred ten thousand, six hundred twenty-five".