120290481 has 8 divisors (see below), whose sum is σ = 178208160. Its totient is φ = 80193636.

The previous prime is 120290477. The next prime is 120290491. The reversal of 120290481 is 184092021.

It is not a de Polignac number, because 120290481 - 2² = 120290477 is a prime.

It is a super-2 number, since 2×120290481² = 28939599638422722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 4455203 = 120290481 / (1 + 2 + 0 + 2 + 9 + 0 + 4 + 8 + 1).

It is not an unprimeable number, because it can be changed into a prime (120290411) 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, 2227575 + ... + 2227628.

It is an arithmetic number, because the mean of its divisors is an integer number (22276020).

Almost surely, 2^120290481 is an apocalyptic number.

It is an amenable number.

120290481 is a deficient number, since it is larger than the sum of its proper divisors (57917679).

120290481 is an equidigital number, since it uses as much as digits as its factorization.

120290481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4455212 (or 4455206 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 120290481 is about 10967.7017191388. The cubic root of 120290481 is about 493.6400873541.

The spelling of 120290481 in words is "one hundred twenty million, two hundred ninety thousand, four hundred eighty-one".