120153791 has 2 divisors, whose sum is σ = 120153792. Its totient is φ = 120153790.

The previous prime is 120153767. The next prime is 120153793. The reversal of 120153791 is 197351021.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120153791 is a prime.

Together with 120153793, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120153793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60076895 + 60076896.

It is an arithmetic number, because the mean of its divisors is an integer number (60076896).

Almost surely, 2^120153791 is an apocalyptic number.

120153791 is a deficient number, since it is larger than the sum of its proper divisors (1).

120153791 is an equidigital number, since it uses as much as digits as its factorization.

120153791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1890, while the sum is 29.

The square root of 120153791 is about 10961.4684691423. The cubic root of 120153791 is about 493.4530367042.

The spelling of 120153791 in words is "one hundred twenty million, one hundred fifty-three thousand, seven hundred ninety-one".