1252156 has 12 divisors (see below), whose sum is σ = 2222640. Its totient is φ = 617120.

The previous prime is 1252151. The next prime is 1252159. The reversal of 1252156 is 6512521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1921 + ... + 2488.

It is an arithmetic number, because the mean of its divisors is an integer number (185220).

2^1252156 is an apocalyptic number.

It is an amenable number.

1252156 is a deficient number, since it is larger than the sum of its proper divisors (970484).

1252156 is a wasteful number, since it uses less digits than its factorization.

1252156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4484 (or 4482 counting only the distinct ones).

The product of its digits is 600, while the sum is 22.

The square root of 1252156 is about 1118.9977658601. The cubic root of 1252156 is about 107.7836317443.

Adding to 1252156 its reverse (6512521), we get a palindrome (7764677).

The spelling of 1252156 in words is "one million, two hundred fifty-two thousand, one hundred fifty-six".