1161084097 has 4 divisors (see below), whose sum is σ = 1169437360. Its totient is φ = 1152730836.

The previous prime is 1161084079. The next prime is 1161084101. The reversal of 1161084097 is 7904801611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7904801611 = 7 ⋅1129257373.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1161084097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1161084077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4176423 + ... + 4176700.

It is an arithmetic number, because the mean of its divisors is an integer number (292359340).

Almost surely, 2^1161084097 is an apocalyptic number.

It is an amenable number.

1161084097 is a deficient number, since it is larger than the sum of its proper divisors (8353263).

1161084097 is an equidigital number, since it uses as much as digits as its factorization.

1161084097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8353262.

The product of its (nonzero) digits is 12096, while the sum is 37.

The square root of 1161084097 is about 34074.6841071198. The cubic root of 1161084097 is about 1051.0447943566.

The spelling of 1161084097 in words is "one billion, one hundred sixty-one million, eighty-four thousand, ninety-seven".