1132123123 has 4 divisors (see below), whose sum is σ = 1133836528. Its totient is φ = 1130409720.

The previous prime is 1132123103. The next prime is 1132123129. The reversal of 1132123123 is 3213212311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3213212311 = 73 ⋅44016607.

It is a cyclic number.

It is not a de Polignac number, because 1132123123 - 2⁹ = 1132122611 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1132123123.

It is not an unprimeable number, because it can be changed into a prime (1132123129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 855711 + ... + 857032.

It is an arithmetic number, because the mean of its divisors is an integer number (283459132).

Almost surely, 2^1132123123 is an apocalyptic number.

1132123123 is a deficient number, since it is larger than the sum of its proper divisors (1713405).

1132123123 is an equidigital number, since it uses as much as digits as its factorization.

1132123123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1713404.

The product of its digits is 216, while the sum is 19.

The square root of 1132123123 is about 33647.0373584362. The cubic root of 1132123123 is about 1042.2323605652.

Adding to 1132123123 its reverse (3213212311), we get a palindrome (4345335434).

The spelling of 1132123123 in words is "one billion, one hundred thirty-two million, one hundred twenty-three thousand, one hundred twenty-three".