120841613 has 2 divisors, whose sum is σ = 120841614. Its totient is φ = 120841612.

The previous prime is 120841603. The next prime is 120841621. The reversal of 120841613 is 316148021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83411689 + 37429924 = 9133^2 + 6118^2 .

It is a cyclic number.

It is not a de Polignac number, because 120841613 - 2⁴ = 120841597 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120841603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60420806 + 60420807.

It is an arithmetic number, because the mean of its divisors is an integer number (60420807).

Almost surely, 2^120841613 is an apocalyptic number.

It is an amenable number.

120841613 is a deficient number, since it is larger than the sum of its proper divisors (1).

120841613 is an equidigital number, since it uses as much as digits as its factorization.

120841613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 120841613 is about 10992.7982333890. The cubic root of 120841613 is about 494.3928385348.

Adding to 120841613 its reverse (316148021), we get a palindrome (436989634).

The spelling of 120841613 in words is "one hundred twenty million, eight hundred forty-one thousand, six hundred thirteen".