1122112123 has 8 divisors (see below), whose sum is σ = 1227273840. Its totient is φ = 1017475680.

The previous prime is 1122112099. The next prime is 1122112151. The reversal of 1122112123 is 3212112211.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1122112123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1122112097 and 1122112106.

It is not an unprimeable number, because it can be changed into a prime (1122112193) 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, 126840 + ... + 135397.

It is an arithmetic number, because the mean of its divisors is an integer number (153409230).

Almost surely, 2^1122112123 is an apocalyptic number.

1122112123 is a deficient number, since it is larger than the sum of its proper divisors (105161717).

1122112123 is a wasteful number, since it uses less digits than its factorization.

1122112123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262637.

The product of its digits is 48, while the sum is 16.

The square root of 1122112123 is about 33497.9420711183. The cubic root of 1122112123 is about 1039.1512191424.

Adding to 1122112123 its reverse (3212112211), we get a palindrome (4334224334).

The spelling of 1122112123 in words is "one billion, one hundred twenty-two million, one hundred twelve thousand, one hundred twenty-three".