120157 has 2 divisors, whose sum is σ = 120158. Its totient is φ = 120156.

The previous prime is 120121. The next prime is 120163. The reversal of 120157 is 751021.

120157 is nontrivially palindromic in base 4.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119716 + 441 = 346^2 + 21^2 .

It is an emirp because it is prime and its reverse (751021) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120157 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120157.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60078 + 60079.

It is an arithmetic number, because the mean of its divisors is an integer number (60079).

2¹²⁰¹⁵⁷ is an apocalyptic number.

It is an amenable number.

120157 is a deficient number, since it is larger than the sum of its proper divisors (1).

120157 is an equidigital number, since it uses as much as digits as its factorization.

120157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 70, while the sum is 16.

The square root of 120157 is about 346.6366974225. The cubic root of 120157 is about 49.3457429621.

Adding to 120157 its reverse (751021), we get a palindrome (871178).

The spelling of 120157 in words is "one hundred twenty thousand, one hundred fifty-seven".