120023280 has 120 divisors (see below), whose sum is σ = 434118048. Its totient is φ = 29541888.

The previous prime is 120023261. The next prime is 120023329. The reversal of 120023280 is 82320021.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2949 + ... + 15771.

Almost surely, 2^120023280 is an apocalyptic number.

120023280 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 120023280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217059024).

120023280 is an abundant number, since it is smaller than the sum of its proper divisors (314094768).

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

120023280 is a wasteful number, since it uses less digits than its factorization.

120023280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12855 (or 12846 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 120023280 is about 10955.5136803347. The cubic root of 120023280 is about 493.2743091465.

The spelling of 120023280 in words is "one hundred twenty million, twenty-three thousand, two hundred eighty".