111379620 has 96 divisors (see below), whose sum is σ = 349485696. Its totient is φ = 26265600.

The previous prime is 111379603. The next prime is 111379679. The reversal of 111379620 is 26973111.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22140 + ... + 26700.

It is an arithmetic number, because the mean of its divisors is an integer number (3640476).

Almost surely, 2^111379620 is an apocalyptic number.

111379620 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 111379620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174742848).

111379620 is an abundant number, since it is smaller than the sum of its proper divisors (238106076).

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

111379620 is a wasteful number, since it uses less digits than its factorization.

111379620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4621 (or 4619 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 111379620 is about 10553.6543434016. The cubic root of 111379620 is about 481.1368020712.

The spelling of 111379620 in words is "one hundred eleven million, three hundred seventy-nine thousand, six hundred twenty".