120356280 has 240 divisors, whose sum is σ = 446097960. Its totient is φ = 29082240.

The previous prime is 120356261. The next prime is 120356287. The reversal of 120356280 is 82653021.

120356280 is a `hidden beast` number, since 1 + 2 + 0 + 35 + 628 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120356287) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 391887 + ... + 392193.

Almost surely, 2^120356280 is an apocalyptic number.

120356280 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 120356280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223048980).

120356280 is an abundant number, since it is smaller than the sum of its proper divisors (325741680).

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

120356280 is a wasteful number, since it uses less digits than its factorization.

120356280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352 (or 328 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 120356280 is about 10970.7009803385. The cubic root of 120356280 is about 493.7300781365.

The spelling of 120356280 in words is "one hundred twenty million, three hundred fifty-six thousand, two hundred eighty".