1252737 has 12 divisors (see below), whose sum is σ = 1827540. Its totient is φ = 826848.

The previous prime is 1252729. The next prime is 1252739. The reversal of 1252737 is 7372521.

It can be written as a sum of positive squares in 2 ways, for example, as 848241 + 404496 = 921^2 + 636^2 .

It is not a de Polignac number, because 1252737 - 2³ = 1252729 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1252737.

It is not an unprimeable number, because it can be changed into a prime (1252739) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 343 + ... + 1619.

It is an arithmetic number, because the mean of its divisors is an integer number (152295).

2^1252737 is an apocalyptic number.

It is an amenable number.

1252737 is a deficient number, since it is larger than the sum of its proper divisors (574803).

1252737 is a wasteful number, since it uses less digits than its factorization.

1252737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1392 (or 1389 counting only the distinct ones).

The product of its digits is 2940, while the sum is 27.

The square root of 1252737 is about 1119.2573430628. The cubic root of 1252737 is about 107.8002996906.

The spelling of 1252737 in words is "one million, two hundred fifty-two thousand, seven hundred thirty-seven".