1115472 has 40 divisors (see below), whose sum is σ = 3053376. Its totient is φ = 349696.

The previous prime is 1115467. The next prime is 1115497. The reversal of 1115472 is 2745111.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133 + ... + 1499.

2^1115472 is an apocalyptic number.

1115472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1115472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1526688).

1115472 is an abundant number, since it is smaller than the sum of its proper divisors (1937904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1115472 is a wasteful number, since it uses less digits than its factorization.

1115472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1395 (or 1389 counting only the distinct ones).

The product of its digits is 280, while the sum is 21.

The square root of 1115472 is about 1056.1590789270. The cubic root of 1115472 is about 103.7097429338.

The spelling of 1115472 in words is "one million, one hundred fifteen thousand, four hundred seventy-two".