1142252 has 24 divisors (see below), whose sum is σ = 2125200. Its totient is φ = 536256.

The previous prime is 1142243. The next prime is 1142263. The reversal of 1142252 is 2522411.

It is a self number, because there is not a number n which added to its sum of digits gives 1142252.

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, 4874 + ... + 5102.

It is an arithmetic number, because the mean of its divisors is an integer number (88550).

2^1142252 is an apocalyptic number.

It is an amenable number.

1142252 is a deficient number, since it is larger than the sum of its proper divisors (982948).

1142252 is a wasteful number, since it uses less digits than its factorization.

1142252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305 (or 303 counting only the distinct ones).

The product of its digits is 160, while the sum is 17.

The square root of 1142252 is about 1068.7619005185. The cubic root of 1142252 is about 104.5331351010.

Adding to 1142252 its reverse (2522411), we get a palindrome (3664663).

The spelling of 1142252 in words is "one million, one hundred forty-two thousand, two hundred fifty-two".