1264072925 has 6 divisors (see below), whose sum is σ = 1567450458. Its totient is φ = 1011258320.

The previous prime is 1264072919. The next prime is 1264072951. The reversal of 1264072925 is 5292704621.

It can be written as a sum of positive squares in 3 ways, for example, as 51222649 + 1212850276 = 7157^2 + 34826^2 .

It is not a de Polignac number, because 1264072925 - 2¹² = 1264068829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25281434 + ... + 25281483.

It is an arithmetic number, because the mean of its divisors is an integer number (261241743).

Almost surely, 2^1264072925 is an apocalyptic number.

It is an amenable number.

1264072925 is a deficient number, since it is larger than the sum of its proper divisors (303377533).

1264072925 is an equidigital number, since it uses as much as digits as its factorization.

1264072925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50562927 (or 50562922 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 1264072925 is about 35553.8032424099. The cubic root of 1264072925 is about 1081.2448280684.

The spelling of 1264072925 in words is "one billion, two hundred sixty-four million, seventy-two thousand, nine hundred twenty-five".