1252320 has 48 divisors (see below), whose sum is σ = 3946320. Its totient is φ = 333824.

The previous prime is 1252283. The next prime is 1252331. The reversal of 1252320 is 232521.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1252320.

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, 825 + ... + 1784.

It is an arithmetic number, because the mean of its divisors is an integer number (82215).

2^1252320 is an apocalyptic number.

1252320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1252320 is an abundant number, since it is smaller than the sum of its proper divisors (2694000).

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

1252320 is a wasteful number, since it uses less digits than its factorization.

1252320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2627 (or 2619 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 1252320 is about 1119.0710433212. The cubic root of 1252320 is about 107.7883371601.

Adding to 1252320 its reverse (232521), we get a palindrome (1484841).

The spelling of 1252320 in words is "one million, two hundred fifty-two thousand, three hundred twenty".