1142852 has 12 divisors (see below), whose sum is σ = 2042880. Its totient is φ = 559176.

The previous prime is 1142851. The next prime is 1142863. The reversal of 1142852 is 2582411.

It is a super-2 number, since 2×1142852² = 2612221387808, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1142851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2852 + ... + 3227.

It is an arithmetic number, because the mean of its divisors is an integer number (170240).

2^1142852 is an apocalyptic number.

It is an amenable number.

1142852 is a deficient number, since it is larger than the sum of its proper divisors (900028).

1142852 is a wasteful number, since it uses less digits than its factorization.

1142852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6130 (or 6128 counting only the distinct ones).

The product of its digits is 640, while the sum is 23.

The square root of 1142852 is about 1069.0425622958. The cubic root of 1142852 is about 104.5514348873.

The spelling of 1142852 in words is "one million, one hundred forty-two thousand, eight hundred fifty-two".