1175130091 has 2 divisors, whose sum is σ = 1175130092. Its totient is φ = 1175130090.

The previous prime is 1175130037. The next prime is 1175130109. The reversal of 1175130091 is 1900315711.

Together with next prime (1175130109) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1175130091 - 2¹⁵ = 1175097323 is a prime.

It is not a weakly prime, because it can be changed into another prime (1175730091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 587565045 + 587565046.

It is an arithmetic number, because the mean of its divisors is an integer number (587565046).

Almost surely, 2^1175130091 is an apocalyptic number.

1175130091 is a deficient number, since it is larger than the sum of its proper divisors (1).

1175130091 is an equidigital number, since it uses as much as digits as its factorization.

1175130091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 945, while the sum is 28.

The square root of 1175130091 is about 34280.1705217462. The cubic root of 1175130091 is about 1055.2660892278.

The spelling of 1175130091 in words is "one billion, one hundred seventy-five million, one hundred thirty thousand, ninety-one".