1139242 has 16 divisors (see below), whose sum is σ = 1884960. Its totient is φ = 513072.

The previous prime is 1139239. The next prime is 1139249. The reversal of 1139242 is 2429311.

It is not an unprimeable number, because it can be changed into a prime (1139249) 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, 609 + ... + 1627.

It is an arithmetic number, because the mean of its divisors is an integer number (117810).

2^1139242 is an apocalyptic number.

1139242 is a deficient number, since it is larger than the sum of its proper divisors (745718).

1139242 is a wasteful number, since it uses less digits than its factorization.

1139242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077.

The product of its digits is 432, while the sum is 22.

The square root of 1139242 is about 1067.3528001556. The cubic root of 1139242 is about 104.4412343295.

The spelling of 1139242 in words is "one million, one hundred thirty-nine thousand, two hundred forty-two".