120193906 has 16 divisors (see below), whose sum is σ = 215005824. Its totient is φ = 49271904.

The previous prime is 120193897. The next prime is 120193933. The reversal of 120193906 is 609391021.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186315 + ... + 186958.

It is an arithmetic number, because the mean of its divisors is an integer number (13437864).

Almost surely, 2^120193906 is an apocalyptic number.

120193906 is a deficient number, since it is larger than the sum of its proper divisors (94811918).

120193906 is a wasteful number, since it uses less digits than its factorization.

120193906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373305.

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 120193906 is about 10963.2981351416. The cubic root of 120193906 is about 493.5079459608.

The spelling of 120193906 in words is "one hundred twenty million, one hundred ninety-three thousand, nine hundred six".