1274810825 has 12 divisors (see below), whose sum is σ = 1581280860. Its totient is φ = 1019516160.

The previous prime is 1274810821. The next prime is 1274810851. The reversal of 1274810825 is 5280184721.

It can be written as a sum of positive squares in 6 ways, for example, as 56731024 + 1218079801 = 7532^2 + 34901^2 .

It is not a de Polignac number, because 1274810825 - 2² = 1274810821 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1274810821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 95141 + ... + 107709.

It is an arithmetic number, because the mean of its divisors is an integer number (131773405).

Almost surely, 2^1274810825 is an apocalyptic number.

It is an amenable number.

1274810825 is a deficient number, since it is larger than the sum of its proper divisors (306470035).

1274810825 is a wasteful number, since it uses less digits than its factorization.

1274810825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16636 (or 16631 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 38.

The square root of 1274810825 is about 35704.4930645990. The cubic root of 1274810825 is about 1084.2978106433.

The spelling of 1274810825 in words is "one billion, two hundred seventy-four million, eight hundred ten thousand, eight hundred twenty-five".