120280481 has 2 divisors, whose sum is σ = 120280482. Its totient is φ = 120280480.

The previous prime is 120280441. The next prime is 120280483. The reversal of 120280481 is 184082021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114597025 + 5683456 = 10705^2 + 2384^2 .

It is an emirp because it is prime and its reverse (184082021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120280481 - 2¹⁰ = 120279457 is a prime.

It is a super-2 number, since 2×120280481² = 28934788219182722, which contains 22 as substring.

Together with 120280483, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120280481.

It is not a weakly prime, because it can be changed into another prime (120280483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60140240 + 60140241.

It is an arithmetic number, because the mean of its divisors is an integer number (60140241).

Almost surely, 2^120280481 is an apocalyptic number.

It is an amenable number.

120280481 is a deficient number, since it is larger than the sum of its proper divisors (1).

120280481 is an equidigital number, since it uses as much as digits as its factorization.

120280481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1024, while the sum is 26.

The square root of 120280481 is about 10967.2458256392. The cubic root of 120280481 is about 493.6264078630.

The spelling of 120280481 in words is "one hundred twenty million, two hundred eighty thousand, four hundred eighty-one".