111298488 has 32 divisors (see below), whose sum is σ = 317996160. Its totient is φ = 31799520.

The previous prime is 111298469. The next prime is 111298489. The reversal of 111298488 is 884892111.

It is a super-2 number, since 2×111298488² = 24774706862172288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111298489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 331078 + ... + 331413.

It is an arithmetic number, because the mean of its divisors is an integer number (9937380).

Almost surely, 2^111298488 is an apocalyptic number.

It is an amenable number.

111298488 is an abundant number, since it is smaller than the sum of its proper divisors (206697672).

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

111298488 is a wasteful number, since it uses less digits than its factorization.

111298488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662507 (or 662503 counting only the distinct ones).

The product of its digits is 36864, while the sum is 42.

The square root of 111298488 is about 10549.8098561064. The cubic root of 111298488 is about 481.0199492362.

The spelling of 111298488 in words is "one hundred eleven million, two hundred ninety-eight thousand, four hundred eighty-eight".