120508381 has 8 divisors (see below), whose sum is σ = 137908224. Its totient is φ = 103154640.

The previous prime is 120508373. The next prime is 120508391. The reversal of 120508381 is 183805021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120508381 - 2³ = 120508373 is a prime.

It is a super-2 number, since 2×120508381² = 29044539782482322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120508301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5725 + ... + 16546.

It is an arithmetic number, because the mean of its divisors is an integer number (17238528).

Almost surely, 2^120508381 is an apocalyptic number.

It is an amenable number.

120508381 is a deficient number, since it is larger than the sum of its proper divisors (17399843).

120508381 is an equidigital number, since it uses as much as digits as its factorization.

120508381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23051.

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 120508381 is about 10977.6309375020. The cubic root of 120508381 is about 493.9379754065.

The spelling of 120508381 in words is "one hundred twenty million, five hundred eight thousand, three hundred eighty-one".