1118255123 has 8 divisors (see below), whose sum is σ = 1122446160. Its totient is φ = 1114072960.

The previous prime is 1118255077. The next prime is 1118255129. The reversal of 1118255123 is 3215528111.

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

It is a cyclic number.

It is not a de Polignac number, because 1118255123 - 2²⁴ = 1101477907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1118255129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 341711 + ... + 344967.

It is an arithmetic number, because the mean of its divisors is an integer number (140305770).

Almost surely, 2^1118255123 is an apocalyptic number.

1118255123 is a deficient number, since it is larger than the sum of its proper divisors (4191037).

1118255123 is an equidigital number, since it uses as much as digits as its factorization.

1118255123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4437.

The product of its digits is 2400, while the sum is 29.

The square root of 1118255123 is about 33440.3218136429. The cubic root of 1118255123 is about 1037.9592386630.

The spelling of 1118255123 in words is "one billion, one hundred eighteen million, two hundred fifty-five thousand, one hundred twenty-three".