1197489 has 4 divisors (see below), whose sum is σ = 1596656. Its totient is φ = 798324.

The previous prime is 1197479. The next prime is 1197509. The reversal of 1197489 is 9847911.

It is a happy number.

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.

It is not a de Polignac number, because 1197489 - 2⁴ = 1197473 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1197409) 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, 199579 + ... + 199584.

It is an arithmetic number, because the mean of its divisors is an integer number (399164).

2^1197489 is an apocalyptic number.

It is an amenable number.

1197489 is a deficient number, since it is larger than the sum of its proper divisors (399167).

1197489 is an equidigital number, since it uses as much as digits as its factorization.

1197489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399166.

The product of its digits is 18144, while the sum is 39.

The square root of 1197489 is about 1094.2984053721. The cubic root of 1197489 is about 106.1916847239.

The spelling of 1197489 in words is "one million, one hundred ninety-seven thousand, four hundred eighty-nine".