171151129 has 2 divisors, whose sum is σ = 171151130. Its totient is φ = 171151128.

The previous prime is 171151091. The next prime is 171151139. The reversal of 171151129 is 921151171.

171151129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 169520400 + 1630729 = 13020^2 + 1277^2 .

It is a cyclic number.

It is not a de Polignac number, because 171151129 - 2²³ = 162762521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 171151097 and 171151106.

It is not a weakly prime, because it can be changed into another prime (171151139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85575564 + 85575565.

It is an arithmetic number, because the mean of its divisors is an integer number (85575565).

Almost surely, 2^171151129 is an apocalyptic number.

It is an amenable number.

171151129 is a deficient number, since it is larger than the sum of its proper divisors (1).

171151129 is an equidigital number, since it uses as much as digits as its factorization.

171151129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 630, while the sum is 28.

The square root of 171151129 is about 13082.4741161601. The cubic root of 171151129 is about 555.2133789810.

The spelling of 171151129 in words is "one hundred seventy-one million, one hundred fifty-one thousand, one hundred twenty-nine".