1197418089 has 32 divisors (see below), whose sum is σ = 1852088320. Its totient is φ = 673987392.

The previous prime is 1197418081. The next prime is 1197418097. The reversal of 1197418089 is 9808147911.

It is an interprime number because it is at equal distance from previous prime (1197418081) and next prime (1197418097).

It is not a de Polignac number, because 1197418089 - 2³ = 1197418081 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1197418081) 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 in 31 ways as a sum of consecutive naturals, for example, 1364919 + ... + 1365795.

It is an arithmetic number, because the mean of its divisors is an integer number (57877760).

Almost surely, 2^1197418089 is an apocalyptic number.

It is an amenable number.

1197418089 is a deficient number, since it is larger than the sum of its proper divisors (654670231).

1197418089 is an equidigital number, since it uses as much as digits as its factorization.

1197418089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1789.

The product of its (nonzero) digits is 145152, while the sum is 48.

The square root of 1197418089 is about 34603.7294088368. The cubic root of 1197418089 is about 1061.8958858570.

The spelling of 1197418089 in words is "one billion, one hundred ninety-seven million, four hundred eighteen thousand, eighty-nine".