1252765 has 8 divisors (see below), whose sum is σ = 1582560. Its totient is φ = 949392.

The previous prime is 1252751. The next prime is 1252777. The reversal of 1252765 is 5672521.

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

It is not a de Polignac number, because 1252765 - 2¹⁷ = 1121693 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6499 + ... + 6688.

It is an arithmetic number, because the mean of its divisors is an integer number (197820).

2^1252765 is an apocalyptic number.

It is an amenable number.

1252765 is a deficient number, since it is larger than the sum of its proper divisors (329795).

1252765 is a wasteful number, since it uses less digits than its factorization.

1252765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13211.

The product of its digits is 4200, while the sum is 28.

The square root of 1252765 is about 1119.2698512870. The cubic root of 1252765 is about 107.8011028350.

The spelling of 1252765 in words is "one million, two hundred fifty-two thousand, seven hundred sixty-five".