1275429 has 8 divisors (see below), whose sum is σ = 1707552. Its totient is φ = 846800.

The previous prime is 1275401. The next prime is 1275437. The reversal of 1275429 is 9245721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1275429 - 2⁸ = 1275173 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1275396 and 1275405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1275499) 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 in 7 ways as a sum of consecutive naturals, for example, 154 + ... + 1604.

It is an arithmetic number, because the mean of its divisors is an integer number (213444).

2^1275429 is an apocalyptic number.

It is an amenable number.

1275429 is a deficient number, since it is larger than the sum of its proper divisors (432123).

1275429 is a wasteful number, since it uses less digits than its factorization.

1275429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1747.

The product of its digits is 5040, while the sum is 30.

The square root of 1275429 is about 1129.3489274799. The cubic root of 1275429 is about 108.4473046443.

The spelling of 1275429 in words is "one million, two hundred seventy-five thousand, four hundred twenty-nine".