120406090 has 32 divisors (see below), whose sum is σ = 248209920. Its totient is φ = 41195904.

The previous prime is 120406051. The next prime is 120406093. The reversal of 120406090 is 90604021.

It is not an unprimeable number, because it can be changed into a prime (120406093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38319 + ... + 41341.

It is an arithmetic number, because the mean of its divisors is an integer number (7756560).

Almost surely, 2^120406090 is an apocalyptic number.

120406090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120406090 is an abundant number, since it is smaller than the sum of its proper divisors (127803830).

120406090 is a wasteful number, since it uses less digits than its factorization.

120406090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3606.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 120406090 is about 10972.9708830380. The cubic root of 120406090 is about 493.7981795639.

The spelling of 120406090 in words is "one hundred twenty million, four hundred six thousand, ninety".