120590581 has 2 divisors, whose sum is σ = 120590582. Its totient is φ = 120590580.

The previous prime is 120590573. The next prime is 120590593. The reversal of 120590581 is 185095021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93122500 + 27468081 = 9650^2 + 5241^2 .

It is a cyclic number.

It is not a de Polignac number, because 120590581 - 2³ = 120590573 is a prime.

It is a super-2 number, since 2×120590581² = 29084176451835122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120590501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60295290 + 60295291.

It is an arithmetic number, because the mean of its divisors is an integer number (60295291).

Almost surely, 2^120590581 is an apocalyptic number.

It is an amenable number.

120590581 is a deficient number, since it is larger than the sum of its proper divisors (1).

120590581 is an equidigital number, since it uses as much as digits as its factorization.

120590581 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 31.

The square root of 120590581 is about 10981.3742764738. The cubic root of 120590581 is about 494.0502565970.

The spelling of 120590581 in words is "one hundred twenty million, five hundred ninety thousand, five hundred eighty-one".