120102015247 has 2 divisors, whose sum is σ = 120102015248. Its totient is φ = 120102015246.

The previous prime is 120102015179. The next prime is 120102015283. The reversal of 120102015247 is 742510201021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120102015247 - 2⁷ = 120102015119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120102015647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60051007623 + 60051007624.

It is an arithmetic number, because the mean of its divisors is an integer number (60051007624).

Almost surely, 2^120102015247 is an apocalyptic number.

120102015247 is a deficient number, since it is larger than the sum of its proper divisors (1).

120102015247 is an equidigital number, since it uses as much as digits as its factorization.

120102015247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1120, while the sum is 25.

Adding to 120102015247 its reverse (742510201021), we get a palindrome (862612216268).

The spelling of 120102015247 in words is "one hundred twenty billion, one hundred two million, fifteen thousand, two hundred forty-seven".