120266513 has 2 divisors, whose sum is σ = 120266514. Its totient is φ = 120266512.

The previous prime is 120266459. The next prime is 120266521. The reversal of 120266513 is 315662021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89718784 + 30547729 = 9472^2 + 5527^2 .

It is an emirp because it is prime and its reverse (315662021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120266513 - 2¹⁰ = 120265489 is a prime.

It is not a weakly prime, because it can be changed into another prime (120266543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60133256 + 60133257.

It is an arithmetic number, because the mean of its divisors is an integer number (60133257).

Almost surely, 2^120266513 is an apocalyptic number.

It is an amenable number.

120266513 is a deficient number, since it is larger than the sum of its proper divisors (1).

120266513 is an equidigital number, since it uses as much as digits as its factorization.

120266513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 120266513 is about 10966.6090018747. The cubic root of 120266513 is about 493.6072990807.

The spelling of 120266513 in words is "one hundred twenty million, two hundred sixty-six thousand, five hundred thirteen".