1111552 has 40 divisors (see below), whose sum is σ = 2406096. Its totient is φ = 509952.

The previous prime is 1111547. The next prime is 1111553. The reversal of 1111552 is 2551111.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6573 + ... + 6739.

2^1111552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1111552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1203048).

1111552 is an abundant number, since it is smaller than the sum of its proper divisors (1294544).

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

1111552 is an equidigital number, since it uses as much as digits as its factorization.

1111552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198 (or 182 counting only the distinct ones).

The product of its digits is 50, while the sum is 16.

The square root of 1111552 is about 1054.3016646103. The cubic root of 1111552 is about 103.5881144964.

Adding to 1111552 its reverse (2551111), we get a palindrome (3662663).

The spelling of 1111552 in words is "one million, one hundred eleven thousand, five hundred fifty-two".