1256029 has 2 divisors, whose sum is σ = 1256030. Its totient is φ = 1256028.

The previous prime is 1256023. The next prime is 1256041. The reversal of 1256029 is 9206521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1159929 + 96100 = 1077^2 + 310^2 .

It is an emirp because it is prime and its reverse (9206521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1256029 - 2⁵ = 1255997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1255994 and 1256012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1256023) 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, 628014 + 628015.

It is an arithmetic number, because the mean of its divisors is an integer number (628015).

2^1256029 is an apocalyptic number.

It is an amenable number.

1256029 is a deficient number, since it is larger than the sum of its proper divisors (1).

1256029 is an equidigital number, since it uses as much as digits as its factorization.

1256029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 1256029 is about 1120.7269961949. The cubic root of 1256029 is about 107.8946446287.

The spelling of 1256029 in words is "one million, two hundred fifty-six thousand, twenty-nine".