119945820 has 96 divisors (see below), whose sum is σ = 352880640. Its totient is φ = 30401280.

The previous prime is 119945809. The next prime is 119945831. The reversal of 119945820 is 28549911.

It is an interprime number because it is at equal distance from previous prime (119945809) and next prime (119945831).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 109194 + ... + 110286.

It is an arithmetic number, because the mean of its divisors is an integer number (3675840).

Almost surely, 2^119945820 is an apocalyptic number.

119945820 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 119945820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176440320).

119945820 is an abundant number, since it is smaller than the sum of its proper divisors (232934820).

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

119945820 is a wasteful number, since it uses less digits than its factorization.

119945820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1195 (or 1193 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 39.

The square root of 119945820 is about 10951.9779035570. The cubic root of 119945820 is about 493.1681707078.

The spelling of 119945820 in words is "one hundred nineteen million, nine hundred forty-five thousand, eight hundred twenty".