1428029 has 2 divisors, whose sum is σ = 1428030. Its totient is φ = 1428028.

The previous prime is 1428013. The next prime is 1428041. The reversal of 1428029 is 9208241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1428025 + 4 = 1195^2 + 2^2 .

It is a cyclic number.

It is not a de Polignac number, because 1428029 - 2⁴ = 1428013 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1427989 and 1428007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1428079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 714014 + 714015.

It is an arithmetic number, because the mean of its divisors is an integer number (714015).

2^1428029 is an apocalyptic number.

It is an amenable number.

1428029 is a deficient number, since it is larger than the sum of its proper divisors (1).

1428029 is an equidigital number, since it uses as much as digits as its factorization.

1428029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 1428029 is about 1195.0016736390. The cubic root of 1428029 is about 112.6105316958.

The spelling of 1428029 in words is "one million, four hundred twenty-eight thousand, twenty-nine".