1222432123 has 8 divisors (see below), whose sum is σ = 1334156400. Its totient is φ = 1110806880.

The previous prime is 1222432091. The next prime is 1222432139. The reversal of 1222432123 is 3212342221.

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 1222432123 - 2⁵ = 1222432091 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1222432094 and 1222432103.

It is not an unprimeable number, because it can be changed into a prime (1222432193) 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, 2353 + ... + 49501.

It is an arithmetic number, because the mean of its divisors is an integer number (166769550).

Almost surely, 2^1222432123 is an apocalyptic number.

1222432123 is a deficient number, since it is larger than the sum of its proper divisors (111724277).

1222432123 is a wasteful number, since it uses less digits than its factorization.

1222432123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49517.

The product of its digits is 1152, while the sum is 22.

The square root of 1222432123 is about 34963.2967982140. The cubic root of 1222432123 is about 1069.2393123089.

Adding to 1222432123 its reverse (3212342221), we get a palindrome (4434774344).

The spelling of 1222432123 in words is "one billion, two hundred twenty-two million, four hundred thirty-two thousand, one hundred twenty-three".