461771129 has 2 divisors, whose sum is σ = 461771130. Its totient is φ = 461771128.

The previous prime is 461771113. The next prime is 461771143. The reversal of 461771129 is 921177164.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 275394025 + 186377104 = 16595^2 + 13652^2 .

It is a cyclic number.

It is not a de Polignac number, because 461771129 - 2⁴ = 461771113 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 461771092 and 461771101.

It is not a weakly prime, because it can be changed into another prime (461771029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230885564 + 230885565.

It is an arithmetic number, because the mean of its divisors is an integer number (230885565).

Almost surely, 2^461771129 is an apocalyptic number.

It is an amenable number.

461771129 is a deficient number, since it is larger than the sum of its proper divisors (1).

461771129 is an equidigital number, since it uses as much as digits as its factorization.

461771129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21168, while the sum is 38.

The square root of 461771129 is about 21488.8605793793. The cubic root of 461771129 is about 772.9337280786.

The spelling of 461771129 in words is "four hundred sixty-one million, seven hundred seventy-one thousand, one hundred twenty-nine".