120385261 has 2 divisors, whose sum is σ = 120385262. Its totient is φ = 120385260.

The previous prime is 120385253. The next prime is 120385271. The reversal of 120385261 is 162583021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78057225 + 42328036 = 8835^2 + 6506^2 .

It is a cyclic number.

It is not a de Polignac number, because 120385261 - 2³ = 120385253 is a prime.

It is a super-2 number, since 2×120385261² = 28985222132076242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120385241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60192630 + 60192631.

It is an arithmetic number, because the mean of its divisors is an integer number (60192631).

Almost surely, 2^120385261 is an apocalyptic number.

It is an amenable number.

120385261 is a deficient number, since it is larger than the sum of its proper divisors (1).

120385261 is an equidigital number, since it uses as much as digits as its factorization.

120385261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 120385261 is about 10972.0217371276. The cubic root of 120385261 is about 493.7697039405.

The spelling of 120385261 in words is "one hundred twenty million, three hundred eighty-five thousand, two hundred sixty-one".