1252456 has 16 divisors (see below), whose sum is σ = 2399040. Its totient is φ = 612720.

The previous prime is 1252451. The next prime is 1252457. The reversal of 1252456 is 6542521.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1252456.

It is not an unprimeable number, because it can be changed into a prime (1252451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1290 + ... + 2041.

It is an arithmetic number, because the mean of its divisors is an integer number (149940).

2^1252456 is an apocalyptic number.

It is an amenable number.

1252456 is a deficient number, since it is larger than the sum of its proper divisors (1146584).

1252456 is a wasteful number, since it uses less digits than its factorization.

1252456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3384 (or 3380 counting only the distinct ones).

The product of its digits is 2400, while the sum is 25.

The square root of 1252456 is about 1119.1318063571. The cubic root of 1252456 is about 107.7922389007.

Adding to 1252456 its reverse (6542521), we get a palindrome (7794977).

The spelling of 1252456 in words is "one million, two hundred fifty-two thousand, four hundred fifty-six".