1429661 has 2 divisors, whose sum is σ = 1429662. Its totient is φ = 1429660.

The previous prime is 1429651. The next prime is 1429669. The reversal of 1429661 is 1669241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 931225 + 498436 = 965^2 + 706^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1429661 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1429669) 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, 714830 + 714831.

It is an arithmetic number, because the mean of its divisors is an integer number (714831).

2^1429661 is an apocalyptic number.

It is an amenable number.

1429661 is a deficient number, since it is larger than the sum of its proper divisors (1).

1429661 is an equidigital number, since it uses as much as digits as its factorization.

1429661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 29.

The square root of 1429661 is about 1195.6843228879. The cubic root of 1429661 is about 112.6534137433.

The spelling of 1429661 in words is "one million, four hundred twenty-nine thousand, six hundred sixty-one".