120257147 has 2 divisors, whose sum is σ = 120257148. Its totient is φ = 120257146.

The previous prime is 120257117. The next prime is 120257149. The reversal of 120257147 is 741752021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120257147 - 2⁸ = 120256891 is a prime.

Together with 120257149, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (120257149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60128573 + 60128574.

It is an arithmetic number, because the mean of its divisors is an integer number (60128574).

Almost surely, 2^120257147 is an apocalyptic number.

120257147 is a deficient number, since it is larger than the sum of its proper divisors (1).

120257147 is an equidigital number, since it uses as much as digits as its factorization.

120257147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3920, while the sum is 29.

The square root of 120257147 is about 10966.1819700386. The cubic root of 120257147 is about 493.5944851897.

The spelling of 120257147 in words is "one hundred twenty million, two hundred fifty-seven thousand, one hundred forty-seven".