1197889 has 16 divisors (see below), whose sum is σ = 1529856. Its totient is φ = 910800.

The previous prime is 1197881. The next prime is 1197901. The reversal of 1197889 is 9887911.

It is not a de Polignac number, because 1197889 - 2³ = 1197881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1197881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3454 + ... + 3784.

It is an arithmetic number, because the mean of its divisors is an integer number (95616).

2^1197889 is an apocalyptic number.

It is an amenable number.

1197889 is a deficient number, since it is larger than the sum of its proper divisors (331967).

1197889 is a wasteful number, since it uses less digits than its factorization.

1197889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396.

The product of its digits is 36288, while the sum is 43.

The square root of 1197889 is about 1094.4811556167. The cubic root of 1197889 is about 106.2035072250.

It can be divided in two parts, 119 and 7889, that added together give a palindrome (8008).

The spelling of 1197889 in words is "one million, one hundred ninety-seven thousand, eight hundred eighty-nine".