1133123041 has 4 divisors (see below), whose sum is σ = 1133262000. Its totient is φ = 1132984084.

The previous prime is 1133123021. The next prime is 1133123051. The reversal of 1133123041 is 1403213311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1403213311 = 149 ⋅9417539.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1133123041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1133123011) 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, 56431 + ... + 73828.

It is an arithmetic number, because the mean of its divisors is an integer number (283315500).

Almost surely, 2^1133123041 is an apocalyptic number.

It is an amenable number.

1133123041 is a deficient number, since it is larger than the sum of its proper divisors (138959).

1133123041 is an equidigital number, since it uses as much as digits as its factorization.

1133123041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138958.

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

The square root of 1133123041 is about 33661.8930097521. The cubic root of 1133123041 is about 1042.5391117217.

Adding to 1133123041 its reverse (1403213311), we get a palindrome (2536336352).

The spelling of 1133123041 in words is "one billion, one hundred thirty-three million, one hundred twenty-three thousand, forty-one".