1229439044 has 24 divisors (see below), whose sum is σ = 2227400448. Its totient is φ = 593154720.

The previous prime is 1229439041. The next prime is 1229439047. The reversal of 1229439044 is 4409349221.

It is an interprime number because it is at equal distance from previous prime (1229439041) and next prime (1229439047).

It is a junction number, because it is equal to n+sod(n) for n = 1229438989 and 1229439007.

It is not an unprimeable number, because it can be changed into a prime (1229439041) 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, 28742 + ... + 57314.

It is an arithmetic number, because the mean of its divisors is an integer number (92808352).

Almost surely, 2^1229439044 is an apocalyptic number.

It is an amenable number.

1229439044 is a deficient number, since it is larger than the sum of its proper divisors (997961404).

1229439044 is a wasteful number, since it uses less digits than its factorization.

1229439044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28955 (or 28953 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 1229439044 is about 35063.3575688353. The cubic root of 1229439044 is about 1071.2783637826.

The spelling of 1229439044 in words is "one billion, two hundred twenty-nine million, four hundred thirty-nine thousand, forty-four".