770129 has 2 divisors, whose sum is σ = 770130. Its totient is φ = 770128.

The previous prime is 770123. The next prime is 770167. The reversal of 770129 is 921077.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 748225 + 21904 = 865^2 + 148^2 .

It is a cyclic number.

It is not a de Polignac number, because 770129 - 2⁴ = 770113 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 770098 and 770107.

It is not a weakly prime, because it can be changed into another prime (770123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 385064 + 385065.

It is an arithmetic number, because the mean of its divisors is an integer number (385065).

2⁷⁷⁰¹²⁹ is an apocalyptic number.

It is an amenable number.

770129 is a deficient number, since it is larger than the sum of its proper divisors (1).

770129 is an equidigital number, since it uses as much as digits as its factorization.

770129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 882, while the sum is 26.

The square root of 770129 is about 877.5699402327. The cubic root of 770129 is about 91.6616827410.

The spelling of 770129 in words is "seven hundred seventy thousand, one hundred twenty-nine".