1113545 has 12 divisors (see below), whose sum is σ = 1400196. Its totient is φ = 850080.

The previous prime is 1113527. The next prime is 1113557. The reversal of 1113545 is 5453111.

It can be written as a sum of positive squares in 2 ways, for example, as 135424 + 978121 = 368^2 + 989^2 .

It is not a de Polignac number, because 1113545 - 2⁶ = 1113481 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2435 + ... + 2855.

It is an arithmetic number, because the mean of its divisors is an integer number (116683).

2^1113545 is an apocalyptic number.

It is an amenable number.

1113545 is a deficient number, since it is larger than the sum of its proper divisors (286651).

1113545 is an equidigital number, since it uses as much as digits as its factorization.

1113545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472 (or 449 counting only the distinct ones).

The product of its digits is 300, while the sum is 20.

The square root of 1113545 is about 1055.2464167198. The cubic root of 1113545 is about 103.6499882989.

Adding to 1113545 its reverse (5453111), we get a palindrome (6566656).

The spelling of 1113545 in words is "one million, one hundred thirteen thousand, five hundred forty-five".