111241240 has 64 divisors (see below), whose sum is σ = 280467360. Its totient is φ = 39352320.

The previous prime is 111241231. The next prime is 111241253. The reversal of 111241240 is 42142111.

It is a happy number.

It is a super-2 number, since 2×111241240² = 24749226953475200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12864 + ... + 19696.

Almost surely, 2^111241240 is an apocalyptic number.

111241240 is a gapful number since it is divisible by the number (10) 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 111241240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140233680).

111241240 is an abundant number, since it is smaller than the sum of its proper divisors (169226120).

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

111241240 is a wasteful number, since it uses less digits than its factorization.

111241240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6892 (or 6888 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 111241240 is about 10547.0962828638. The cubic root of 111241240 is about 480.9374618837.

Adding to 111241240 its reverse (42142111), we get a palindrome (153383351).

The spelling of 111241240 in words is "one hundred eleven million, two hundred forty-one thousand, two hundred forty".