1122123406 has 8 divisors (see below), whose sum is σ = 1699527024. Its totient is φ = 555614400.

The previous prime is 1122123371. The next prime is 1122123407. The reversal of 1122123406 is 6043212211.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122123407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2723395 + ... + 2723806.

It is an arithmetic number, because the mean of its divisors is an integer number (212440878).

Almost surely, 2^1122123406 is an apocalyptic number.

1122123406 is a deficient number, since it is larger than the sum of its proper divisors (577403618).

1122123406 is a wasteful number, since it uses less digits than its factorization.

1122123406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5447306.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 1122123406 is about 33498.1104840258. The cubic root of 1122123406 is about 1039.1547020694.

Adding to 1122123406 its reverse (6043212211), we get a palindrome (7165335617).

The spelling of 1122123406 in words is "one billion, one hundred twenty-two million, one hundred twenty-three thousand, four hundred six".