674125129 has 2 divisors, whose sum is σ = 674125130. Its totient is φ = 674125128.

The previous prime is 674125069. The next prime is 674125139. The reversal of 674125129 is 921521476.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 452710729 + 221414400 = 21277^2 + 14880^2 .

It is a cyclic number.

It is not a de Polignac number, because 674125129 - 2¹¹ = 674123081 is a prime.

It is not a weakly prime, because it can be changed into another prime (674125139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337062564 + 337062565.

It is an arithmetic number, because the mean of its divisors is an integer number (337062565).

Almost surely, 2^674125129 is an apocalyptic number.

It is an amenable number.

674125129 is a deficient number, since it is larger than the sum of its proper divisors (1).

674125129 is an equidigital number, since it uses as much as digits as its factorization.

674125129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 37.

The square root of 674125129 is about 25963.9197541511. The cubic root of 674125129 is about 876.8261741565.

The spelling of 674125129 in words is "six hundred seventy-four million, one hundred twenty-five thousand, one hundred twenty-nine".