34820129 has 2 divisors, whose sum is σ = 34820130. Its totient is φ = 34820128.

The previous prime is 34820117. The next prime is 34820143. The reversal of 34820129 is 92102843.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18939904 + 15880225 = 4352^2 + 3985^2 .

It is a cyclic number.

It is not a de Polignac number, because 34820129 - 2⁴ = 34820113 is a prime.

It is a Chen prime.

It is equal to p_2136386 and since 34820129 and 2136386 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (34820189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17410064 + 17410065.

It is an arithmetic number, because the mean of its divisors is an integer number (17410065).

Almost surely, 2^34820129 is an apocalyptic number.

It is an amenable number.

34820129 is a deficient number, since it is larger than the sum of its proper divisors (1).

34820129 is an equidigital number, since it uses as much as digits as its factorization.

34820129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 34820129 is about 5900.8583273961. The cubic root of 34820129 is about 326.5453160024.

The spelling of 34820129 in words is "thirty-four million, eight hundred twenty thousand, one hundred twenty-nine".