120313409 has 2 divisors, whose sum is σ = 120313410. Its totient is φ = 120313408.

The previous prime is 120313399. The next prime is 120313429. The reversal of 120313409 is 904313021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92698384 + 27615025 = 9628^2 + 5255^2 .

It is an emirp because it is prime and its reverse (904313021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120313409 - 2⁸ = 120313153 is a prime.

It is not a weakly prime, because it can be changed into another prime (120313429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60156704 + 60156705.

It is an arithmetic number, because the mean of its divisors is an integer number (60156705).

Almost surely, 2^120313409 is an apocalyptic number.

It is an amenable number.

120313409 is a deficient number, since it is larger than the sum of its proper divisors (1).

120313409 is an equidigital number, since it uses as much as digits as its factorization.

120313409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 120313409 is about 10968.7469202275. The cubic root of 120313409 is about 493.6714488295.

The spelling of 120313409 in words is "one hundred twenty million, three hundred thirteen thousand, four hundred nine".