1252770 has 16 divisors (see below), whose sum is σ = 3006720. Its totient is φ = 334064.

The previous prime is 1252751. The next prime is 1252777. The reversal of 1252770 is 772521.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1252770.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252777) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20850 + ... + 20909.

It is an arithmetic number, because the mean of its divisors is an integer number (187920).

2^1252770 is an apocalyptic number.

1252770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1252770 is an abundant number, since it is smaller than the sum of its proper divisors (1753950).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1252770 is a wasteful number, since it uses less digits than its factorization.

1252770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41769.

The product of its (nonzero) digits is 980, while the sum is 24.

The square root of 1252770 is about 1119.2720848837. The cubic root of 1252770 is about 107.8012462524.

Subtracting from 1252770 its reverse (772521), we obtain a square (480249 = 693²).

The spelling of 1252770 in words is "one million, two hundred fifty-two thousand, seven hundred seventy".