120356040 has 64 divisors (see below), whose sum is σ = 412652160. Its totient is φ = 27509760.

The previous prime is 120356029. The next prime is 120356063. The reversal of 120356040 is 40653021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 120355998 and 120356016.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70801 + ... + 72480.

It is an arithmetic number, because the mean of its divisors is an integer number (6447690).

Almost surely, 2^120356040 is an apocalyptic number.

120356040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120356040 is an abundant number, since it is smaller than the sum of its proper divisors (292296120).

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

120356040 is a wasteful number, since it uses less digits than its factorization.

120356040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143302 (or 143298 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 120356040 is about 10970.6900421077. The cubic root of 120356040 is about 493.7297499573.

The spelling of 120356040 in words is "one hundred twenty million, three hundred fifty-six thousand, forty".