1252875165 has 16 divisors (see below), whose sum is σ = 2005190208. Its totient is φ = 668003456.

The previous prime is 1252875131. The next prime is 1252875179. The reversal of 1252875165 is 5615782521.

It is a cyclic number.

It is not a de Polignac number, because 1252875165 - 2⁶ = 1252875101 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50842 + ... + 71348.

It is an arithmetic number, because the mean of its divisors is an integer number (125324388).

Almost surely, 2^1252875165 is an apocalyptic number.

1252875165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1252875165 is a deficient number, since it is larger than the sum of its proper divisors (752315043).

1252875165 is a wasteful number, since it uses less digits than its factorization.

1252875165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24588.

The product of its digits is 168000, while the sum is 42.

The square root of 1252875165 is about 35395.9766781480. The cubic root of 1252875165 is about 1078.0426266155.

The spelling of 1252875165 in words is "one billion, two hundred fifty-two million, eight hundred seventy-five thousand, one hundred sixty-five".