119990556 has 144 divisors (see below), whose sum is σ = 377447616. Its totient is φ = 31352832.

The previous prime is 119990509. The next prime is 119990557. The reversal of 119990556 is 655099911.

It is a happy number.

119990556 is a `hidden beast` number, since 1 + 1 + 9 + 9 + 90 + 556 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (119990557) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 158130 + ... + 158886.

It is an arithmetic number, because the mean of its divisors is an integer number (2621164).

Almost surely, 2^119990556 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 119990556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188723808).

119990556 is an abundant number, since it is smaller than the sum of its proper divisors (257457060).

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

119990556 is a wasteful number, since it uses less digits than its factorization.

119990556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828 (or 823 counting only the distinct ones).

The product of its (nonzero) digits is 109350, while the sum is 45.

The square root of 119990556 is about 10954.0200839692. The cubic root of 119990556 is about 493.2294751340.

The spelling of 119990556 in words is "one hundred nineteen million, nine hundred ninety thousand, five hundred fifty-six".