1133125131 has 4 divisors (see below), whose sum is σ = 1510833512. Its totient is φ = 755416752.

The previous prime is 1133125073. The next prime is 1133125151. The reversal of 1133125131 is 1315213311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1315213311 = 3 ⋅438404437.

It is not a de Polignac number, because 1133125131 - 2⁶ = 1133125067 is a prime.

It is a super-2 number, since 2×1133125131² = 2567945125007534322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1133125098 and 1133125107.

It is not an unprimeable number, because it can be changed into a prime (1133125151) 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, 188854186 + ... + 188854191.

It is an arithmetic number, because the mean of its divisors is an integer number (377708378).

Almost surely, 2^1133125131 is an apocalyptic number.

1133125131 is a deficient number, since it is larger than the sum of its proper divisors (377708381).

1133125131 is an equidigital number, since it uses as much as digits as its factorization.

1133125131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377708380.

The product of its digits is 270, while the sum is 21.

The square root of 1133125131 is about 33661.9240537436. The cubic root of 1133125131 is about 1042.5397526951.

Adding to 1133125131 its reverse (1315213311), we get a palindrome (2448338442).

The spelling of 1133125131 in words is "one billion, one hundred thirty-three million, one hundred twenty-five thousand, one hundred thirty-one".