1196133121 has 2 divisors, whose sum is σ = 1196133122. Its totient is φ = 1196133120.

The previous prime is 1196133089. The next prime is 1196133131. The reversal of 1196133121 is 1213316911.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 622003600 + 574129521 = 24940^2 + 23961^2 .

It is a cyclic number.

It is not a de Polignac number, because 1196133121 - 2⁵ = 1196133089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1196133121.

It is not a weakly prime, because it can be changed into another prime (1196133131) 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 as a sum of consecutive naturals, namely, 598066560 + 598066561.

It is an arithmetic number, because the mean of its divisors is an integer number (598066561).

Almost surely, 2^1196133121 is an apocalyptic number.

It is an amenable number.

1196133121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1196133121 is an equidigital number, since it uses as much as digits as its factorization.

1196133121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 972, while the sum is 28.

The square root of 1196133121 is about 34585.1575245798. The cubic root of 1196133121 is about 1061.5159042322.

The spelling of 1196133121 in words is "one billion, one hundred ninety-six million, one hundred thirty-three thousand, one hundred twenty-one".