1252758244 has 12 divisors (see below), whose sum is σ = 2233691964. Its totient is φ = 614560544.

The previous prime is 1252758233. The next prime is 1252758251. The reversal of 1252758244 is 4428572521.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 860718244 + 392040000 = 29338^2 + 19800^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1252758197 and 1252758206.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2954407 + ... + 2954830.

It is an arithmetic number, because the mean of its divisors is an integer number (186140997).

Almost surely, 2^1252758244 is an apocalyptic number.

It is an amenable number.

1252758244 is a deficient number, since it is larger than the sum of its proper divisors (980933720).

1252758244 is a wasteful number, since it uses less digits than its factorization.

1252758244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5909294 (or 5909292 counting only the distinct ones).

The product of its digits is 179200, while the sum is 40.

The square root of 1252758244 is about 35394.3250253483. The cubic root of 1252758244 is about 1078.0090904882.

The spelling of 1252758244 in words is "one billion, two hundred fifty-two million, seven hundred fifty-eight thousand, two hundred forty-four".