1252684612 has 12 divisors (see below), whose sum is σ = 2216830140. Its totient is φ = 619304576.

The previous prime is 1252684591. The next prime is 1252684619. The reversal of 1252684612 is 2164862521.

It can be written as a sum of positive squares in 2 ways, for example, as 272118016 + 980566596 = 16496^2 + 31314^2 .

It is not an unprimeable number, because it can be changed into a prime (1252684619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1759033 + ... + 1759744.

It is an arithmetic number, because the mean of its divisors is an integer number (184735845).

Almost surely, 2^1252684612 is an apocalyptic number.

It is an amenable number.

1252684612 is a deficient number, since it is larger than the sum of its proper divisors (964145528).

1252684612 is a wasteful number, since it uses less digits than its factorization.

1252684612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3518870 (or 3518868 counting only the distinct ones).

The product of its digits is 46080, while the sum is 37.

The square root of 1252684612 is about 35393.2848433146. The cubic root of 1252684612 is about 1077.9879697543.

The spelling of 1252684612 in words is "one billion, two hundred fifty-two million, six hundred eighty-four thousand, six hundred twelve".