1142862 has 16 divisors (see below), whose sum is σ = 2612352. Its totient is φ = 326520.

The previous prime is 1142851. The next prime is 1142863. The reversal of 1142862 is 2682411.

It is a super-2 number, since 2×1142862² = 2612267102088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13564 + ... + 13647.

It is an arithmetic number, because the mean of its divisors is an integer number (163272).

2^1142862 is an apocalyptic number.

1142862 is an abundant number, since it is smaller than the sum of its proper divisors (1469490).

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

1142862 is a wasteful number, since it uses less digits than its factorization.

1142862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27223.

The product of its digits is 768, while the sum is 24.

The square root of 1142862 is about 1069.0472393678. The cubic root of 1142862 is about 104.5517398295.

The spelling of 1142862 in words is "one million, one hundred forty-two thousand, eight hundred sixty-two".