1770130129 has 2 divisors, whose sum is σ = 1770130130. Its totient is φ = 1770130128.

The previous prime is 1770130091. The next prime is 1770130171. The reversal of 1770130129 is 9210310771.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1071056529 + 699073600 = 32727^2 + 26440^2 .

It is a cyclic number.

It is not a de Polignac number, because 1770130129 - 2²⁵ = 1736575697 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1770130129.

It is not a weakly prime, because it can be changed into another prime (1770130189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 885065064 + 885065065.

It is an arithmetic number, because the mean of its divisors is an integer number (885065065).

Almost surely, 2^1770130129 is an apocalyptic number.

It is an amenable number.

1770130129 is a deficient number, since it is larger than the sum of its proper divisors (1).

1770130129 is an equidigital number, since it uses as much as digits as its factorization.

1770130129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2646, while the sum is 31.

The square root of 1770130129 is about 42072.9144343484. The cubic root of 1770130129 is about 1209.6741442055.

The spelling of 1770130129 in words is "one billion, seven hundred seventy million, one hundred thirty thousand, one hundred twenty-nine".