1272229 has 8 divisors (see below), whose sum is σ = 1539648. Its totient is φ = 1026240.

The previous prime is 1272223. The next prime is 1272233. The reversal of 1272229 is 9222721.

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 1272229 - 2⁹ = 1271717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1272223) 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, 5227 + ... + 5464.

It is an arithmetic number, because the mean of its divisors is an integer number (192456).

2^1272229 is an apocalyptic number.

It is an amenable number.

1272229 is a deficient number, since it is larger than the sum of its proper divisors (267419).

1272229 is a wasteful number, since it uses less digits than its factorization.

1272229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10715.

The product of its digits is 1008, while the sum is 25.

The square root of 1272229 is about 1127.9312922337. The cubic root of 1272229 is about 108.3565320469.

The spelling of 1272229 in words is "one million, two hundred seventy-two thousand, two hundred twenty-nine".