127696157 has 2 divisors, whose sum is σ = 127696158. Its totient is φ = 127696156.

The previous prime is 127696141. The next prime is 127696187. The reversal of 127696157 is 751696721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108388921 + 19307236 = 10411^2 + 4394^2 .

It is a cyclic number.

It is not a de Polignac number, because 127696157 - 2⁴ = 127696141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127696187) 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, 63848078 + 63848079.

It is an arithmetic number, because the mean of its divisors is an integer number (63848079).

Almost surely, 2^127696157 is an apocalyptic number.

It is an amenable number.

127696157 is a deficient number, since it is larger than the sum of its proper divisors (1).

127696157 is an equidigital number, since it uses as much as digits as its factorization.

127696157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 158760, while the sum is 44.

The square root of 127696157 is about 11300.2724303443. The cubic root of 127696157 is about 503.5693350626.

The spelling of 127696157 in words is "one hundred twenty-seven million, six hundred ninety-six thousand, one hundred fifty-seven".