1113158 has 4 divisors (see below), whose sum is σ = 1669740. Its totient is φ = 556578.

The previous prime is 1113157. The next prime is 1113173. The reversal of 1113158 is 8513111.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278288 + ... + 278291.

It is an arithmetic number, because the mean of its divisors is an integer number (417435).

2^1113158 is an apocalyptic number.

1113158 is a deficient number, since it is larger than the sum of its proper divisors (556582).

1113158 is an equidigital number, since it uses as much as digits as its factorization.

1113158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556581.

The product of its digits is 120, while the sum is 20.

The square root of 1113158 is about 1055.0630312924. The cubic root of 1113158 is about 103.6379794463.

Adding to 1113158 its reverse (8513111), we get a palindrome (9626269).

The spelling of 1113158 in words is "one million, one hundred thirteen thousand, one hundred fifty-eight".