1182231442 has 32 divisors (see below), whose sum is σ = 2150934912. Its totient is φ = 475747584.

The previous prime is 1182231431. The next prime is 1182231481. The reversal of 1182231442 is 2441322811.

It is a self number, because there is not a number n which added to its sum of digits gives 1182231442.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99828 + ... + 111040.

It is an arithmetic number, because the mean of its divisors is an integer number (67216716).

Almost surely, 2^1182231442 is an apocalyptic number.

1182231442 is a deficient number, since it is larger than the sum of its proper divisors (968703470).

1182231442 is a wasteful number, since it uses less digits than its factorization.

1182231442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11682.

The product of its digits is 3072, while the sum is 28.

The square root of 1182231442 is about 34383.5926278799. The cubic root of 1182231442 is about 1057.3874913046.

It can be divided in two parts, 11822 and 31442, that added together give a square (43264 = 208²).

The spelling of 1182231442 in words is "one billion, one hundred eighty-two million, two hundred thirty-one thousand, four hundred forty-two".