1113552 has 120 divisors (see below), whose sum is σ = 3675360. Its totient is φ = 311040.

The previous prime is 1113527. The next prime is 1113557. The reversal of 1113552 is 2553111.

1113552 is a `hidden beast` number, since 1 + 113 + 552 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113557) 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 23 ways as a sum of consecutive naturals, for example, 30078 + ... + 30114.

It is an arithmetic number, because the mean of its divisors is an integer number (30628).

2^1113552 is an apocalyptic number.

1113552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

1113552 is the 528-th decagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1113552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1837680).

1113552 is an abundant number, since it is smaller than the sum of its proper divisors (2561808).

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

1113552 is a wasteful number, since it uses less digits than its factorization.

1113552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81 (or 72 counting only the distinct ones).

The product of its digits is 150, while the sum is 18.

The square root of 1113552 is about 1055.2497334754. The cubic root of 1113552 is about 103.6502054877.

Adding to 1113552 its reverse (2553111), we get a palindrome (3666663).

It can be divided in two parts, 111 and 3552, that added together give a palindrome (3663).

The spelling of 1113552 in words is "one million, one hundred thirteen thousand, five hundred fifty-two".