120338780 has 24 divisors (see below), whose sum is σ = 266012880. Its totient is φ = 45601920.

The previous prime is 120338749. The next prime is 120338789. The reversal of 120338780 is 87833021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120338789) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157961 + ... + 158720.

It is an arithmetic number, because the mean of its divisors is an integer number (11083870).

Almost surely, 2^120338780 is an apocalyptic number.

120338780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120338780 is an abundant number, since it is smaller than the sum of its proper divisors (145674100).

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

120338780 is a wasteful number, since it uses less digits than its factorization.

120338780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316709 (or 316707 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 120338780 is about 10969.9033724094. The cubic root of 120338780 is about 493.7061472563.

The spelling of 120338780 in words is "one hundred twenty million, three hundred thirty-eight thousand, seven hundred eighty".