1160397089 has 4 divisors (see below), whose sum is σ = 1221470640. Its totient is φ = 1099323540.

The previous prime is 1160397079. The next prime is 1160397137. The reversal of 1160397089 is 9807930611.

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: 9807930611 = 53453 ⋅183487.

It is a cyclic number.

It is not a de Polignac number, because 1160397089 - 2¹² = 1160392993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1160397079) 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, 30536747 + ... + 30536784.

It is an arithmetic number, because the mean of its divisors is an integer number (305367660).

Almost surely, 2^1160397089 is an apocalyptic number.

1160397089 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1160397089 is a deficient number, since it is larger than the sum of its proper divisors (61073551).

1160397089 is an equidigital number, since it uses as much as digits as its factorization.

1160397089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61073550.

The product of its (nonzero) digits is 81648, while the sum is 44.

The square root of 1160397089 is about 34064.6017002988. The cubic root of 1160397089 is about 1050.8374540364.

The spelling of 1160397089 in words is "one billion, one hundred sixty million, three hundred ninety-seven thousand, eighty-nine".