120002513 has 2 divisors, whose sum is σ = 120002514. Its totient is φ = 120002512.

The previous prime is 120002489. The next prime is 120002549. The reversal of 120002513 is 315200021.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116791249 + 3211264 = 10807^2 + 1792^2 .

It is a cyclic number.

It is not a de Polignac number, because 120002513 - 2⁸ = 120002257 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (120002563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60001256 + 60001257.

It is an arithmetic number, because the mean of its divisors is an integer number (60001257).

Almost surely, 2^120002513 is an apocalyptic number.

It is an amenable number.

120002513 is a deficient number, since it is larger than the sum of its proper divisors (1).

120002513 is an equidigital number, since it uses as much as digits as its factorization.

120002513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 120002513 is about 10954.5658517351. The cubic root of 120002513 is about 493.2458579481.

Adding to 120002513 its reverse (315200021), we get a palindrome (435202534).

The spelling of 120002513 in words is "one hundred twenty million, two thousand, five hundred thirteen".