1261124674 has 16 divisors (see below), whose sum is σ = 1905297912. Its totient is φ = 626035968.

The previous prime is 1261124663. The next prime is 1261124681. The reversal of 1261124674 is 4764211621.

It can be written as a sum of positive squares in 4 ways, for example, as 924585649 + 336539025 = 30407^2 + 18345^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 293002 + ... + 297274.

Almost surely, 2^1261124674 is an apocalyptic number.

1261124674 is a deficient number, since it is larger than the sum of its proper divisors (644173238).

1261124674 is a wasteful number, since it uses less digits than its factorization.

1261124674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5301.

The product of its digits is 16128, while the sum is 34.

The square root of 1261124674 is about 35512.3172152987. The cubic root of 1261124674 is about 1080.4035626026.

The spelling of 1261124674 in words is "one billion, two hundred sixty-one million, one hundred twenty-four thousand, six hundred seventy-four".