1272829 has 8 divisors (see below), whose sum is σ = 1383680. Its totient is φ = 1166400.

The previous prime is 1272827. The next prime is 1272833. The reversal of 1272829 is 9282721.

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 1272829 - 2¹ = 1272827 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1272829.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1272827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 492 + ... + 1669.

It is an arithmetic number, because the mean of its divisors is an integer number (172960).

2^1272829 is an apocalyptic number.

1272829 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1272829 is a deficient number, since it is larger than the sum of its proper divisors (110851).

1272829 is a wasteful number, since it uses less digits than its factorization.

1272829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2211.

The product of its digits is 4032, while the sum is 31.

The square root of 1272829 is about 1128.1972345295. The cubic root of 1272829 is about 108.3735634937.

The spelling of 1272829 in words is "one million, two hundred seventy-two thousand, eight hundred twenty-nine".