111398000 has 160 divisors (see below), whose sum is σ = 314920320. Its totient is φ = 37324800.

The previous prime is 111397981. The next prime is 111398003. The reversal of 111398000 is 893111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111398003) 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 31 ways as a sum of consecutive naturals, for example, 1021946 + ... + 1022054.

It is an arithmetic number, because the mean of its divisors is an integer number (1968252).

Almost surely, 2^111398000 is an apocalyptic number.

111398000 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 111398000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157460160).

111398000 is an abundant number, since it is smaller than the sum of its proper divisors (203522320).

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

111398000 is a wasteful number, since it uses less digits than its factorization.

111398000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212 (or 196 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 23.

The square root of 111398000 is about 10554.5250959008. The cubic root of 111398000 is about 481.1632665417.

The spelling of 111398000 in words is "one hundred eleven million, three hundred ninety-eight thousand".