1113155 has 8 divisors (see below), whose sum is σ = 1347072. Its totient is φ = 883008.

The previous prime is 1113149. The next prime is 1113157. The reversal of 1113155 is 5513111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1113155 - 2⁸ = 1112899 is a prime.

It is a super-2 number, since 2×1113155² = 2478228108050, which contains 22 as substring.

It is a Duffinian 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 in 7 ways as a sum of consecutive naturals, for example, 242 + ... + 1511.

It is an arithmetic number, because the mean of its divisors is an integer number (168384).

2^1113155 is an apocalyptic number.

1113155 is a deficient number, since it is larger than the sum of its proper divisors (233917).

1113155 is a wasteful number, since it uses less digits than its factorization.

1113155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1885.

The product of its digits is 75, while the sum is 17.

The square root of 1113155 is about 1055.0616095755. The cubic root of 1113155 is about 103.6378863436.

Adding to 1113155 its reverse (5513111), we get a palindrome (6626266).

The spelling of 1113155 in words is "one million, one hundred thirteen thousand, one hundred fifty-five".