1229039 has 8 divisors (see below), whose sum is σ = 1411488. Its totient is φ = 1048320.

The previous prime is 1229023. The next prime is 1229071. The reversal of 1229039 is 9309221.

1229039 = T₄₁₂ + T₄₁₃ + ... + T₄₂₅.

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

It is not a de Polignac number, because 1229039 - 2⁴ = 1229023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1228999 and 1229017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1229939) 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, 2099 + ... + 2619.

It is an arithmetic number, because the mean of its divisors is an integer number (176436).

2^1229039 is an apocalyptic number.

1229039 is a deficient number, since it is larger than the sum of its proper divisors (182449).

1229039 is an equidigital number, since it uses as much as digits as its factorization.

1229039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 1229039 is about 1108.6203137233. The cubic root of 1229039 is about 107.1162157676.

The spelling of 1229039 in words is "one million, two hundred twenty-nine thousand, thirty-nine".