120001313 has 2 divisors, whose sum is σ = 120001314. Its totient is φ = 120001312.

The previous prime is 120001309. The next prime is 120001337. The reversal of 120001313 is 313100021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105431824 + 14569489 = 10268^2 + 3817^2 .

It is a cyclic number.

It is not a de Polignac number, because 120001313 - 2² = 120001309 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 120001294 and 120001303.

It is not a weakly prime, because it can be changed into another prime (120001363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60000656 + 60000657.

It is an arithmetic number, because the mean of its divisors is an integer number (60000657).

Almost surely, 2^120001313 is an apocalyptic number.

It is an amenable number.

120001313 is a deficient number, since it is larger than the sum of its proper divisors (1).

120001313 is an equidigital number, since it uses as much as digits as its factorization.

120001313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 120001313 is about 10954.5110799159. The cubic root of 120001313 is about 493.2442138242.

Adding to 120001313 its reverse (313100021), we get a palindrome (433101334).

The spelling of 120001313 in words is "one hundred twenty million, one thousand, three hundred thirteen".