120208390 has 32 divisors (see below), whose sum is σ = 224421120. Its totient is φ = 46310400.

The previous prime is 120208379. The next prime is 120208423. The reversal of 120208390 is 93802021.

It is a congruent number.

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, 73906 + ... + 75514.

It is an arithmetic number, because the mean of its divisors is an integer number (7013160).

Almost surely, 2^120208390 is an apocalyptic number.

120208390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120208390 is a deficient number, since it is larger than the sum of its proper divisors (104212730).

120208390 is a wasteful number, since it uses less digits than its factorization.

120208390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1888.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 120208390 is about 10963.9586828846. The cubic root of 120208390 is about 493.5277686019.

The spelling of 120208390 in words is "one hundred twenty million, two hundred eight thousand, three hundred ninety".