1113541 has 12 divisors (see below), whose sum is σ = 1317600. Its totient is φ = 932880.

The previous prime is 1113527. The next prime is 1113557. The reversal of 1113541 is 1453111.

It is not a de Polignac number, because 1113541 - 2⁵ = 1113509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1560 + ... + 2158.

It is an arithmetic number, because the mean of its divisors is an integer number (109800).

2^1113541 is an apocalyptic number.

1113541 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1113541 is a deficient number, since it is larger than the sum of its proper divisors (204059).

1113541 is a wasteful number, since it uses less digits than its factorization.

1113541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636 (or 623 counting only the distinct ones).

The product of its digits is 60, while the sum is 16.

The square root of 1113541 is about 1055.2445214262. The cubic root of 1113541 is about 103.6498641907.

Adding to 1113541 its reverse (1453111), we get a palindrome (2566652).

The spelling of 1113541 in words is "one million, one hundred thirteen thousand, five hundred forty-one".