127196129 has 2 divisors, whose sum is σ = 127196130. Its totient is φ = 127196128.

The previous prime is 127196123. The next prime is 127196161. The reversal of 127196129 is 921691721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 127080529 + 115600 = 11273^2 + 340^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-127196129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 127196092 and 127196101.

It is not a weakly prime, because it can be changed into another prime (127196123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63598064 + 63598065.

It is an arithmetic number, because the mean of its divisors is an integer number (63598065).

Almost surely, 2^127196129 is an apocalyptic number.

It is an amenable number.

127196129 is a deficient number, since it is larger than the sum of its proper divisors (1).

127196129 is an equidigital number, since it uses as much as digits as its factorization.

127196129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13608, while the sum is 38.

The square root of 127196129 is about 11278.1261298143. The cubic root of 127196129 is about 502.9111890600.

The spelling of 127196129 in words is "one hundred twenty-seven million, one hundred ninety-six thousand, one hundred twenty-nine".