1115158 has 16 divisors (see below), whose sum is σ = 1841616. Its totient is φ = 502240.

The previous prime is 1115131. The next prime is 1115189. The reversal of 1115158 is 8515111.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

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, 3660 + ... + 3952.

It is an arithmetic number, because the mean of its divisors is an integer number (115101).

2^1115158 is an apocalyptic number.

1115158 is a deficient number, since it is larger than the sum of its proper divisors (726458).

1115158 is a wasteful number, since it uses less digits than its factorization.

1115158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479.

The product of its digits is 200, while the sum is 22.

The square root of 1115158 is about 1056.0104166153. The cubic root of 1115158 is about 103.7000107560.

Subtracting from 1115158 its sum of digits (22), we obtain a square (1115136 = 1056²).

The spelling of 1115158 in words is "one million, one hundred fifteen thousand, one hundred fifty-eight".