701806129 has 2 divisors, whose sum is σ = 701806130. Its totient is φ = 701806128.

The previous prime is 701806111. The next prime is 701806141. The reversal of 701806129 is 921608107.

It is a happy number.

701806129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 616280625 + 85525504 = 24825^2 + 9248^2 .

It is a cyclic number.

It is not a de Polignac number, because 701806129 - 2¹⁵ = 701773361 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 701806094 and 701806103.

It is not a weakly prime, because it can be changed into another prime (701806109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 350903064 + 350903065.

It is an arithmetic number, because the mean of its divisors is an integer number (350903065).

Almost surely, 2^701806129 is an apocalyptic number.

It is an amenable number.

701806129 is a deficient number, since it is larger than the sum of its proper divisors (1).

701806129 is an equidigital number, since it uses as much as digits as its factorization.

701806129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 701806129 is about 26491.6237516691. The cubic root of 701806129 is about 888.6669978790. Note that the first 3 decimals are identical.

The spelling of 701806129 in words is "seven hundred one million, eight hundred six thousand, one hundred twenty-nine".