120350640 has 80 divisors (see below), whose sum is σ = 383198688. Its totient is φ = 31223808.

The previous prime is 120350639. The next prime is 120350663. The reversal of 120350640 is 46053021.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

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, 2104 + ... + 15656.

Almost surely, 2^120350640 is an apocalyptic number.

120350640 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 120350640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191599344).

120350640 is an abundant number, since it is smaller than the sum of its proper divisors (262848048).

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

120350640 is a wasteful number, since it uses less digits than its factorization.

120350640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13606 (or 13600 counting only the distinct ones).

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

The square root of 120350640 is about 10970.4439290304. The cubic root of 120350640 is about 493.7223658091.

The spelling of 120350640 in words is "one hundred twenty million, three hundred fifty thousand, six hundred forty".