1133012123 has 4 divisors (see below), whose sum is σ = 1192644360. Its totient is φ = 1073379888.

The previous prime is 1133012099. The next prime is 1133012137. The reversal of 1133012123 is 3212103311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1133012123 - 2⁶ = 1133012059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1133012173) 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 in 3 ways as a sum of consecutive naturals, for example, 29816090 + ... + 29816127.

It is an arithmetic number, because the mean of its divisors is an integer number (298161090).

Almost surely, 2^1133012123 is an apocalyptic number.

1133012123 is a deficient number, since it is larger than the sum of its proper divisors (59632237).

1133012123 is an equidigital number, since it uses as much as digits as its factorization.

1133012123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59632236.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1133012123 is about 33660.2454387962. The cubic root of 1133012123 is about 1042.5050936076.

Adding to 1133012123 its reverse (3212103311), we get a palindrome (4345115434).

The spelling of 1133012123 in words is "one billion, one hundred thirty-three million, twelve thousand, one hundred twenty-three".