111140472 has 64 divisors (see below), whose sum is σ = 283668480. Its totient is φ = 36280832.

The previous prime is 111140437. The next prime is 111140479. The reversal of 111140472 is 274041111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111140479) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 289993 + ... + 290375.

It is an arithmetic number, because the mean of its divisors is an integer number (4432320).

Almost surely, 2^111140472 is an apocalyptic number.

111140472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111140472 is an abundant number, since it is smaller than the sum of its proper divisors (172528008).

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

111140472 is a wasteful number, since it uses less digits than its factorization.

111140472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612 (or 608 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 21.

The square root of 111140472 is about 10542.3181511468. The cubic root of 111140472 is about 480.7921987691.

Adding to 111140472 its reverse (274041111), we get a palindrome (385181583).

The spelling of 111140472 in words is "one hundred eleven million, one hundred forty thousand, four hundred seventy-two".