120030281 has 8 divisors (see below), whose sum is σ = 137548224. Its totient is φ = 102605040.

The previous prime is 120030269. The next prime is 120030289. The reversal of 120030281 is 182030021.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120030281 is a prime.

It is a super-2 number, since 2×120030281² = 28814536713877922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (120030289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20375 + ... + 25596.

It is an arithmetic number, because the mean of its divisors is an integer number (17193528).

Almost surely, 2^120030281 is an apocalyptic number.

It is an amenable number.

120030281 is a deficient number, since it is larger than the sum of its proper divisors (17517943).

120030281 is an equidigital number, since it uses as much as digits as its factorization.

120030281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46351.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 120030281 is about 10955.8331951523. The cubic root of 120030281 is about 493.2838999145.

The spelling of 120030281 in words is "one hundred twenty million, thirty thousand, two hundred eighty-one".