120013247 has 2 divisors, whose sum is σ = 120013248. Its totient is φ = 120013246.

The previous prime is 120013219. The next prime is 120013261. The reversal of 120013247 is 742310021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120013247 - 2¹⁸ = 119751103 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120012247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60006623 + 60006624.

It is an arithmetic number, because the mean of its divisors is an integer number (60006624).

Almost surely, 2^120013247 is an apocalyptic number.

120013247 is a deficient number, since it is larger than the sum of its proper divisors (1).

120013247 is an equidigital number, since it uses as much as digits as its factorization.

120013247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 120013247 is about 10955.0557734774. The cubic root of 120013247 is about 493.2605641490.

Adding to 120013247 its reverse (742310021), we get a palindrome (862323268).

The spelling of 120013247 in words is "one hundred twenty million, thirteen thousand, two hundred forty-seven".