120387090 has 32 divisors (see below), whose sum is σ = 289863360. Its totient is φ = 31999424.

The previous prime is 120387089. The next prime is 120387119. The reversal of 120387090 is 90783021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 3181 + ... + 15839.

It is an arithmetic number, because the mean of its divisors is an integer number (9058230).

Almost surely, 2^120387090 is an apocalyptic number.

120387090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120387090 is an abundant number, since it is smaller than the sum of its proper divisors (169476270).

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

120387090 is a wasteful number, since it uses less digits than its factorization.

120387090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12986.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 120387090 is about 10972.1050851694. The cubic root of 120387090 is about 493.7722045240.

The spelling of 120387090 in words is "one hundred twenty million, three hundred eighty-seven thousand, ninety".