1105130491 has 2 divisors, whose sum is σ = 1105130492. Its totient is φ = 1105130490.

The previous prime is 1105130489. The next prime is 1105130513. The reversal of 1105130491 is 1940315011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1105130491 - 2¹ = 1105130489 is a prime.

Together with 1105130489, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1105130431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 552565245 + 552565246.

It is an arithmetic number, because the mean of its divisors is an integer number (552565246).

Almost surely, 2^1105130491 is an apocalyptic number.

1105130491 is a deficient number, since it is larger than the sum of its proper divisors (1).

1105130491 is an equidigital number, since it uses as much as digits as its factorization.

1105130491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 25.

The square root of 1105130491 is about 33243.5029893060. The cubic root of 1105130491 is about 1033.8825067560.

The spelling of 1105130491 in words is "one billion, one hundred five million, one hundred thirty thousand, four hundred ninety-one".