118228992 has 96 divisors (see below), whose sum is σ = 360360000. Its totient is φ = 33767424.

The previous prime is 118228961. The next prime is 118229011. The reversal of 118228992 is 299822811.

It is a tau number, because it is divible by the number of its divisors (96).

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41634 + ... + 44382.

It is an arithmetic number, because the mean of its divisors is an integer number (3753750).

Almost surely, 2^118228992 is an apocalyptic number.

118228992 is a gapful number since it is divisible by the number (12) 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 118228992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180180000).

118228992 is an abundant number, since it is smaller than the sum of its proper divisors (242131008).

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

118228992 is an equidigital number, since it uses as much as digits as its factorization.

118228992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2781 (or 2761 counting only the distinct ones).

The product of its digits is 41472, while the sum is 42.

The square root of 118228992 is about 10873.3155936908. The cubic root of 118228992 is about 490.8038893662.

The spelling of 118228992 in words is "one hundred eighteen million, two hundred twenty-eight thousand, nine hundred ninety-two".