111272392 has 64 divisors (see below), whose sum is σ = 268554240. Its totient is φ = 41947200.

The previous prime is 111272383. The next prime is 111272393. The reversal of 111272392 is 293272111.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 111272392.

It is not an unprimeable number, because it can be changed into a prime (111272393) 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, 16183 + ... + 22009.

It is an arithmetic number, because the mean of its divisors is an integer number (4196160).

Almost surely, 2^111272392 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 111272392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134277120).

111272392 is an abundant number, since it is smaller than the sum of its proper divisors (157281848).

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

111272392 is a wasteful number, since it uses less digits than its factorization.

111272392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5882 (or 5878 counting only the distinct ones).

The product of its digits is 1512, while the sum is 28.

The square root of 111272392 is about 10548.5729840581. The cubic root of 111272392 is about 480.9823516072.

The spelling of 111272392 in words is "one hundred eleven million, two hundred seventy-two thousand, three hundred ninety-two".