1118403142 has 4 divisors (see below), whose sum is σ = 1677604716. Its totient is φ = 559201570.

The previous prime is 1118403133. The next prime is 1118403197. The reversal of 1118403142 is 2413048111.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 279600784 + ... + 279600787.

It is an arithmetic number, because the mean of its divisors is an integer number (419401179).

Almost surely, 2^1118403142 is an apocalyptic number.

1118403142 is a deficient number, since it is larger than the sum of its proper divisors (559201574).

1118403142 is an equidigital number, since it uses as much as digits as its factorization.

1118403142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559201573.

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 1118403142 is about 33442.5349218626. The cubic root of 1118403142 is about 1038.0050334932.

The spelling of 1118403142 in words is "one billion, one hundred eighteen million, four hundred three thousand, one hundred forty-two".