1441399129 has 2 divisors, whose sum is σ = 1441399130. Its totient is φ = 1441399128.

The previous prime is 1441399103. The next prime is 1441399163. The reversal of 1441399129 is 9219931441.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1326416400 + 114982729 = 36420^2 + 10723^2 .

It is a cyclic number.

It is not a de Polignac number, because 1441399129 - 2⁵ = 1441399097 is a prime.

It is not a weakly prime, because it can be changed into another prime (1441399189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 720699564 + 720699565.

It is an arithmetic number, because the mean of its divisors is an integer number (720699565).

Almost surely, 2^1441399129 is an apocalyptic number.

It is an amenable number.

1441399129 is a deficient number, since it is larger than the sum of its proper divisors (1).

1441399129 is an equidigital number, since it uses as much as digits as its factorization.

1441399129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69984, while the sum is 43.

The square root of 1441399129 is about 37965.7625894700. The cubic root of 1441399129 is about 1129.6088470482.

The spelling of 1441399129 in words is "one billion, four hundred forty-one million, three hundred ninety-nine thousand, one hundred twenty-nine".