1130121193 has 2 divisors, whose sum is σ = 1130121194. Its totient is φ = 1130121192.

The previous prime is 1130121191. The next prime is 1130121203. The reversal of 1130121193 is 3911210311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1088802009 + 41319184 = 32997^2 + 6428^2 .

It is a cyclic number.

It is not a de Polignac number, because 1130121193 - 2¹ = 1130121191 is a prime.

Together with 1130121191, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1130121191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565060596 + 565060597.

It is an arithmetic number, because the mean of its divisors is an integer number (565060597).

Almost surely, 2^1130121193 is an apocalyptic number.

It is an amenable number.

1130121193 is a deficient number, since it is larger than the sum of its proper divisors (1).

1130121193 is an equidigital number, since it uses as much as digits as its factorization.

1130121193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 22.

The square root of 1130121193 is about 33617.2752167691. The cubic root of 1130121193 is about 1041.6176726297.

The spelling of 1130121193 in words is "one billion, one hundred thirty million, one hundred twenty-one thousand, one hundred ninety-three".