120913157 has 2 divisors, whose sum is σ = 120913158. Its totient is φ = 120913156.

The previous prime is 120913153. The next prime is 120913183. The reversal of 120913157 is 751319021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93045316 + 27867841 = 9646^2 + 5279^2 .

It is a cyclic number.

It is not a de Polignac number, because 120913157 - 2² = 120913153 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 (120913153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60456578 + 60456579.

It is an arithmetic number, because the mean of its divisors is an integer number (60456579).

Almost surely, 2^120913157 is an apocalyptic number.

It is an amenable number.

120913157 is a deficient number, since it is larger than the sum of its proper divisors (1).

120913157 is an equidigital number, since it uses as much as digits as its factorization.

120913157 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 120913157 is about 10996.0518823803. The cubic root of 120913157 is about 494.4903873351.

The spelling of 120913157 in words is "one hundred twenty million, nine hundred thirteen thousand, one hundred fifty-seven".