111243264 has 104 divisors (see below), whose sum is σ = 323970432. Its totient is φ = 33669120.

The previous prime is 111243263. The next prime is 111243269. The reversal of 111243264 is 462342111.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111243263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134757 + ... + 135579.

Almost surely, 2^111243264 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 111243264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161985216).

111243264 is an abundant number, since it is smaller than the sum of its proper divisors (212727168).

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

111243264 is an equidigital number, since it uses as much as digits as its factorization.

111243264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861 (or 839 counting only the distinct ones).

The product of its digits is 1152, while the sum is 24.

The square root of 111243264 is about 10547.1922330068. The cubic root of 111243264 is about 480.9403787022.

Adding to 111243264 its reverse (462342111), we get a palindrome (573585375).

The spelling of 111243264 in words is "one hundred eleven million, two hundred forty-three thousand, two hundred sixty-four".