1130620091 has 2 divisors, whose sum is σ = 1130620092. Its totient is φ = 1130620090.

The previous prime is 1130620087. The next prime is 1130620093. The reversal of 1130620091 is 1900260311.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1130620091 - 2² = 1130620087 is a prime.

Together with 1130620093, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1130620093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565310045 + 565310046.

It is an arithmetic number, because the mean of its divisors is an integer number (565310046).

Almost surely, 2^1130620091 is an apocalyptic number.

1130620091 is a deficient number, since it is larger than the sum of its proper divisors (1).

1130620091 is an equidigital number, since it uses as much as digits as its factorization.

1130620091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 1130620091 is about 33624.6946603237. The cubic root of 1130620091 is about 1041.7709259641.

The spelling of 1130620091 in words is "one billion, one hundred thirty million, six hundred twenty thousand, ninety-one".