1166125033 has 4 divisors (see below), whose sum is σ = 1166320768. Its totient is φ = 1165929300.

The previous prime is 1166124977. The next prime is 1166125039. The reversal of 1166125033 is 3305216611.

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: 3305216611 = 19 ⋅173958769.

It is a cyclic number.

It is not a de Polignac number, because 1166125033 - 2⁹ = 1166124521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1166124992 and 1166125010.

It is not an unprimeable number, because it can be changed into a prime (1166125039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88641 + ... + 100942.

It is an arithmetic number, because the mean of its divisors is an integer number (291580192).

Almost surely, 2^1166125033 is an apocalyptic number.

It is an amenable number.

1166125033 is a deficient number, since it is larger than the sum of its proper divisors (195735).

1166125033 is an equidigital number, since it uses as much as digits as its factorization.

1166125033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195734.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 1166125033 is about 34148.5729277228. The cubic root of 1166125033 is about 1052.5636623438.

The spelling of 1166125033 in words is "one billion, one hundred sixty-six million, one hundred twenty-five thousand, thirty-three".