1113045 has 8 divisors (see below), whose sum is σ = 1780896. Its totient is φ = 593616.

The previous prime is 1113043. The next prime is 1113059. The reversal of 1113045 is 5403111.

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

It is not a de Polignac number, because 1113045 - 2¹ = 1113043 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 74203 = 1113045 / (1 + 1 + 1 + 3 + 0 + 4 + 5).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37087 + ... + 37116.

It is an arithmetic number, because the mean of its divisors is an integer number (222612).

2^1113045 is an apocalyptic number.

1113045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1113045 is a deficient number, since it is larger than the sum of its proper divisors (667851).

1113045 is an equidigital number, since it uses as much as digits as its factorization.

1113045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74211.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 1113045 is about 1055.0094786304. The cubic root of 1113045 is about 103.6344724605.

Adding to 1113045 its reverse (5403111), we get a palindrome (6516156).

It can be divided in two parts, 11130 and 45, that added together give a triangular number (11175 = T₁₄₉).

The spelling of 1113045 in words is "one million, one hundred thirteen thousand, forty-five".