1422400129 has 2 divisors, whose sum is σ = 1422400130. Its totient is φ = 1422400128.

The previous prime is 1422400123. The next prime is 1422400141. The reversal of 1422400129 is 9210042241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1067002225 + 355397904 = 32665^2 + 18852^2 .

It is an emirp because it is prime and its reverse (9210042241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1422400129 - 2⁹ = 1422399617 is a prime.

It is not a weakly prime, because it can be changed into another prime (1422400123) 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, 711200064 + 711200065.

It is an arithmetic number, because the mean of its divisors is an integer number (711200065).

Almost surely, 2^1422400129 is an apocalyptic number.

It is an amenable number.

1422400129 is a deficient number, since it is larger than the sum of its proper divisors (1).

1422400129 is an equidigital number, since it uses as much as digits as its factorization.

1422400129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 1422400129 is about 37714.7203224417. The cubic root of 1422400129 is about 1124.6237764851.

The spelling of 1422400129 in words is "one billion, four hundred twenty-two million, four hundred thousand, one hundred twenty-nine".