1113761 has 12 divisors (see below), whose sum is σ = 1296720. Its totient is φ = 946080.

The previous prime is 1113751. The next prime is 1113773. The reversal of 1113761 is 1673111.

1113761 = 4² + 5² + ... + 149².

It is not a de Polignac number, because 1113761 - 2¹⁰ = 1112737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1113701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15221 + ... + 15293.

It is an arithmetic number, because the mean of its divisors is an integer number (108060).

2^1113761 is an apocalyptic number.

1113761 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1113761 is a deficient number, since it is larger than the sum of its proper divisors (182959).

1113761 is an equidigital number, since it uses as much as digits as its factorization.

1113761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176 (or 103 counting only the distinct ones).

The product of its digits is 126, while the sum is 20.

The square root of 1113761 is about 1055.3487575205. The cubic root of 1113761 is about 103.6566897045.

Adding to 1113761 its reverse (1673111), we get a palindrome (2786872).

The spelling of 1113761 in words is "one million, one hundred thirteen thousand, seven hundred sixty-one".