1118154 has 16 divisors (see below), whose sum is σ = 2252448. Its totient is φ = 370032.

The previous prime is 1118149. The next prime is 1118189. The reversal of 1118154 is 4518111.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1118154.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 349 + ... + 1535.

It is an arithmetic number, because the mean of its divisors is an integer number (140778).

2^1118154 is an apocalyptic number.

1118154 is an abundant number, since it is smaller than the sum of its proper divisors (1134294).

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

1118154 is a wasteful number, since it uses less digits than its factorization.

1118154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1349.

The product of its digits is 160, while the sum is 21.

The square root of 1118154 is about 1057.4280117341. The cubic root of 1118154 is about 103.7927950419.

The spelling of 1118154 in words is "one million, one hundred eighteen thousand, one hundred fifty-four".