1118156 has 12 divisors (see below), whose sum is σ = 2107392. Its totient is φ = 516048.

The previous prime is 1118149. The next prime is 1118189. The reversal of 1118156 is 6518111.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10700 + ... + 10803.

It is an arithmetic number, because the mean of its divisors is an integer number (175616).

2^1118156 is an apocalyptic number.

It is an amenable number.

1118156 is a deficient number, since it is larger than the sum of its proper divisors (989236).

1118156 is a wasteful number, since it uses less digits than its factorization.

1118156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21520 (or 21518 counting only the distinct ones).

The product of its digits is 240, while the sum is 23.

The square root of 1118156 is about 1057.4289574246. The cubic root of 1118156 is about 103.7928569253.

The spelling of 1118156 in words is "one million, one hundred eighteen thousand, one hundred fifty-six".