1081429 has 2 divisors, whose sum is σ = 1081430. Its totient is φ = 1081428.

The previous prime is 1081417. The next prime is 1081441. The reversal of 1081429 is 9241801.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (1081417) and next prime (1081441).

It can be written as a sum of positive squares in only one way, i.e., 902500 + 178929 = 950^2 + 423^2 .

It is a cyclic number.

It is not a de Polignac number, because 1081429 - 2¹⁵ = 1048661 is a prime.

It is a d-powerful number, because it can be written as 1 + 0 + 8⁵ + 1 + 4¹⁰ + 2 + 9² .

1081429 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1081229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 540714 + 540715.

It is an arithmetic number, because the mean of its divisors is an integer number (540715).

2^1081429 is an apocalyptic number.

It is an amenable number.

1081429 is a deficient number, since it is larger than the sum of its proper divisors (1).

1081429 is an equidigital number, since it uses as much as digits as its factorization.

1081429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 1081429 is about 1039.9177852119. The cubic root of 1081429 is about 102.6437878875.

The spelling of 1081429 in words is "one million, eighty-one thousand, four hundred twenty-nine".