1113872 has 20 divisors (see below), whose sum is σ = 2209680. Its totient is φ = 543648.

The previous prime is 1113863. The next prime is 1113877. The reversal of 1113872 is 2783111.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1113877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122 + ... + 1497.

It is an arithmetic number, because the mean of its divisors is an integer number (110484).

2^1113872 is an apocalyptic number.

It is an amenable number.

1113872 is a deficient number, since it is larger than the sum of its proper divisors (1095808).

1113872 is a wasteful number, since it uses less digits than its factorization.

1113872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1670 (or 1664 counting only the distinct ones).

The product of its digits is 336, while the sum is 23.

The square root of 1113872 is about 1055.4013454606. The cubic root of 1113872 is about 103.6601331454.

Adding to 1113872 its reverse (2783111), we get a palindrome (3896983).

The spelling of 1113872 in words is "one million, one hundred thirteen thousand, eight hundred seventy-two".