1252875394 has 8 divisors (see below), whose sum is σ = 1881784908. Its totient is φ = 625613760.

The previous prime is 1252875383. The next prime is 1252875419. The reversal of 1252875394 is 4935782521.

It can be written as a sum of positive squares in 2 ways, for example, as 779247225 + 473628169 = 27915^2 + 21763^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 410067 + ... + 413110.

Almost surely, 2^1252875394 is an apocalyptic number.

1252875394 is a deficient number, since it is larger than the sum of its proper divisors (628909514).

1252875394 is an equidigital number, since it uses as much as digits as its factorization.

1252875394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823940.

The product of its digits is 604800, while the sum is 46.

The square root of 1252875394 is about 35395.9799129788. The cubic root of 1252875394 is about 1078.0426922969.

The spelling of 1252875394 in words is "one billion, two hundred fifty-two million, eight hundred seventy-five thousand, three hundred ninety-four".