120724313 has 2 divisors, whose sum is σ = 120724314. Its totient is φ = 120724312.

The previous prime is 120724277. The next prime is 120724321. The reversal of 120724313 is 313427021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77651344 + 43072969 = 8812^2 + 6563^2 .

It is a cyclic number.

It is not a de Polignac number, because 120724313 - 2¹⁰ = 120723289 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (120724333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60362156 + 60362157.

It is an arithmetic number, because the mean of its divisors is an integer number (60362157).

Almost surely, 2^120724313 is an apocalyptic number.

It is an amenable number.

120724313 is a deficient number, since it is larger than the sum of its proper divisors (1).

120724313 is an equidigital number, since it uses as much as digits as its factorization.

120724313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 120724313 is about 10987.4616267817. The cubic root of 120724313 is about 494.2328190049.

The spelling of 120724313 in words is "one hundred twenty million, seven hundred twenty-four thousand, three hundred thirteen".