1118873154 has 48 divisors (see below), whose sum is σ = 2609323200. Its totient is φ = 318913056.

The previous prime is 1118873059. The next prime is 1118873177. The reversal of 1118873154 is 4513788111.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 124732 + ... + 133400.

It is an arithmetic number, because the mean of its divisors is an integer number (54360900).

Almost surely, 2^1118873154 is an apocalyptic number.

1118873154 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1118873154, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1304661600).

1118873154 is an abundant number, since it is smaller than the sum of its proper divisors (1490450046).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1118873154 is a wasteful number, since it uses less digits than its factorization.

1118873154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9127 (or 9120 counting only the distinct ones).

The product of its digits is 26880, while the sum is 39.

The square root of 1118873154 is about 33449.5613424152. The cubic root of 1118873154 is about 1038.1504212864.

The spelling of 1118873154 in words is "one billion, one hundred eighteen million, eight hundred seventy-three thousand, one hundred fifty-four".