1144862 has 8 divisors (see below), whose sum is σ = 1776600. Its totient is φ = 552664.

The previous prime is 1144837. The next prime is 1144867. The reversal of 1144862 is 2684411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144867) 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, 9812 + ... + 9927.

It is an arithmetic number, because the mean of its divisors is an integer number (222075).

2^1144862 is an apocalyptic number.

1144862 is a deficient number, since it is larger than the sum of its proper divisors (631738).

1144862 is a wasteful number, since it uses less digits than its factorization.

1144862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19770.

The product of its digits is 1536, while the sum is 26.

The square root of 1144862 is about 1069.9822428433. The cubic root of 1144862 is about 104.6126925434.

The spelling of 1144862 in words is "one million, one hundred forty-four thousand, eight hundred sixty-two".