1155113 has 4 divisors (see below), whose sum is σ = 1160148. Its totient is φ = 1150080.

The previous prime is 1155107. The next prime is 1155127. The reversal of 1155113 is 3115511.

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

It can be written as a sum of positive squares in 2 ways, for example, as 937024 + 218089 = 968^2 + 467^2 .

It is a cyclic number.

It is not a de Polignac number, because 1155113 - 2⁴ = 1155097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1155091 and 1155100.

It is not an unprimeable number, because it can be changed into a prime (1155613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2156 + ... + 2637.

It is an arithmetic number, because the mean of its divisors is an integer number (290037).

2^1155113 is an apocalyptic number.

It is an amenable number.

1155113 is a deficient number, since it is larger than the sum of its proper divisors (5035).

1155113 is an equidigital number, since it uses as much as digits as its factorization.

1155113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5034.

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

The square root of 1155113 is about 1074.7618340823. The cubic root of 1155113 is about 104.9239963969.

The spelling of 1155113 in words is "one million, one hundred fifty-five thousand, one hundred thirteen".