1284229 has 8 divisors (see below), whose sum is σ = 1362240. Its totient is φ = 1207296.

The previous prime is 1284223. The next prime is 1284263. The reversal of 1284229 is 9224821.

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 1284229 - 2⁹ = 1283717 is a prime.

It is a Duffinian number.

1284229 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1284197 and 1284206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1284223) 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, 4752 + ... + 5014.

It is an arithmetic number, because the mean of its divisors is an integer number (170280).

2^1284229 is an apocalyptic number.

1284229 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1284229 is a deficient number, since it is larger than the sum of its proper divisors (78011).

1284229 is a wasteful number, since it uses less digits than its factorization.

1284229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539.

The product of its digits is 2304, while the sum is 28.

The square root of 1284229 is about 1133.2382803277. The cubic root of 1284229 is about 108.6961489670.

The spelling of 1284229 in words is "one million, two hundred eighty-four thousand, two hundred twenty-nine".