3427129 has 2 divisors, whose sum is σ = 3427130. Its totient is φ = 3427128.

The previous prime is 3427121. The next prime is 3427141. The reversal of 3427129 is 9217243.

3427129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3404025 + 23104 = 1845^2 + 152^2 .

It is a cyclic number.

It is not a de Polignac number, because 3427129 - 2³ = 3427121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3427097 and 3427106.

It is not a weakly prime, because it can be changed into another prime (3427121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1713564 + 1713565.

It is an arithmetic number, because the mean of its divisors is an integer number (1713565).

Almost surely, 2^3427129 is an apocalyptic number.

It is an amenable number.

3427129 is a deficient number, since it is larger than the sum of its proper divisors (1).

3427129 is an equidigital number, since it uses as much as digits as its factorization.

3427129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024, while the sum is 28.

The square root of 3427129 is about 1851.2506583388. The cubic root of 3427129 is about 150.7683391283.

The spelling of 3427129 in words is "three million, four hundred twenty-seven thousand, one hundred twenty-nine".