1122000123 has 8 divisors (see below), whose sum is σ = 1501325136. Its totient is φ = 745337600.

The previous prime is 1122000101. The next prime is 1122000133. The reversal of 1122000123 is 3210002211.

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 1122000123 - 2⁸ = 1121999867 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1122000099 and 1122000108.

It is not an unprimeable number, because it can be changed into a prime (1122000133) 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, 664638 + ... + 666323.

It is an arithmetic number, because the mean of its divisors is an integer number (187665642).

Almost surely, 2^1122000123 is an apocalyptic number.

1122000123 is a deficient number, since it is larger than the sum of its proper divisors (379325013).

1122000123 is a wasteful number, since it uses less digits than its factorization.

1122000123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1331245.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1122000123 is about 33496.2702849138. The cubic root of 1122000123 is about 1039.1166448170.

Adding to 1122000123 its reverse (3210002211), we get a palindrome (4332002334).

The spelling of 1122000123 in words is "one billion, one hundred twenty-two million, one hundred twenty-three", and thus it is an aban number.