1197487 has 4 divisors (see below), whose sum is σ = 1226736. Its totient is φ = 1168240.

The previous prime is 1197479. The next prime is 1197509. The reversal of 1197487 is 7847911.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7847911 = 67 ⋅117133.

It is a cyclic number.

It is not a de Polignac number, because 1197487 - 2³ = 1197479 is a prime.

It is a Duffinian number.

1197487 is a lucky number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1197407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14563 + ... + 14644.

It is an arithmetic number, because the mean of its divisors is an integer number (306684).

2^1197487 is an apocalyptic number.

1197487 is a deficient number, since it is larger than the sum of its proper divisors (29249).

1197487 is an equidigital number, since it uses as much as digits as its factorization.

1197487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29248.

The product of its digits is 14112, while the sum is 37.

The square root of 1197487 is about 1094.2974915442. The cubic root of 1197487 is about 106.1916256048.

The spelling of 1197487 in words is "one million, one hundred ninety-seven thousand, four hundred eighty-seven".