1122031123 has 2 divisors, whose sum is σ = 1122031124. Its totient is φ = 1122031122.

The previous prime is 1122031109. The next prime is 1122031139. The reversal of 1122031123 is 3211302211.

It is an a-pointer prime, because the next prime (1122031139) can be obtained adding 1122031123 to its sum of digits (16).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1122031123 - 2¹³ = 1122022931 is a prime.

It is a super-2 number, since 2×1122031123² = 2517907681961282258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1122031097 and 1122031106.

It is not a weakly prime, because it can be changed into another prime (1122031153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561015561 + 561015562.

It is an arithmetic number, because the mean of its divisors is an integer number (561015562).

Almost surely, 2^1122031123 is an apocalyptic number.

1122031123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122031123 is an equidigital number, since it uses as much as digits as its factorization.

1122031123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1122031123 is about 33496.7330198036. The cubic root of 1122031123 is about 1039.1262147266.

Adding to 1122031123 its reverse (3211302211), we get a palindrome (4333333334).

The spelling of 1122031123 in words is "one billion, one hundred twenty-two million, thirty-one thousand, one hundred twenty-three".