1409129 has 4 divisors (see below), whose sum is σ = 1443540. Its totient is φ = 1374720.

The previous prime is 1409117. The next prime is 1409159. The reversal of 1409129 is 9219041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9219041 = 13 ⋅709157.

It can be written as a sum of positive squares in 2 ways, for example, as 769129 + 640000 = 877^2 + 800^2 .

It is a cyclic number.

It is not a de Polignac number, because 1409129 - 2⁸ = 1408873 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1409098 and 1409107.

It is not an unprimeable number, because it can be changed into a prime (1409159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17144 + ... + 17225.

It is an arithmetic number, because the mean of its divisors is an integer number (360885).

2^1409129 is an apocalyptic number.

It is an amenable number.

1409129 is a deficient number, since it is larger than the sum of its proper divisors (34411).

1409129 is an equidigital number, since it uses as much as digits as its factorization.

1409129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34410.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 1409129 is about 1187.0673948854. The cubic root of 1409129 is about 112.1115226318. Note that the first 3 decimals are identical.

The spelling of 1409129 in words is "one million, four hundred nine thousand, one hundred twenty-nine".