1232789842 has 16 divisors (see below), whose sum is σ = 1864490400. Its totient is φ = 611302048.

The previous prime is 1232789839. The next prime is 1232789843. The reversal of 1232789842 is 2489872321.

It is a junction number, because it is equal to n+sod(n) for n = 1232789792 and 1232789801.

It is not an unprimeable number, because it can be changed into a prime (1232789843) 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, 455409 + ... + 458107.

It is an arithmetic number, because the mean of its divisors is an integer number (116530650).

Almost surely, 2^1232789842 is an apocalyptic number.

1232789842 is a deficient number, since it is larger than the sum of its proper divisors (631700558).

1232789842 is a wasteful number, since it uses less digits than its factorization.

1232789842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4505.

The product of its digits is 387072, while the sum is 46.

The square root of 1232789842 is about 35111.1071030237. The cubic root of 1232789842 is about 1072.2507262587.

The spelling of 1232789842 in words is "one billion, two hundred thirty-two million, seven hundred eighty-nine thousand, eight hundred forty-two".