1197871 has 8 divisors (see below), whose sum is σ = 1309824. Its totient is φ = 1090560.

The previous prime is 1197829. The next prime is 1197881. The reversal of 1197871 is 1787911.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1197871 - 2⁷ = 1197743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1197821) 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 7 ways as a sum of consecutive naturals, for example, 610 + ... + 1663.

It is an arithmetic number, because the mean of its divisors is an integer number (163728).

2^1197871 is an apocalyptic number.

1197871 is a deficient number, since it is larger than the sum of its proper divisors (111953).

1197871 is a wasteful number, since it uses less digits than its factorization.

1197871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2321.

The product of its digits is 3528, while the sum is 34.

The square root of 1197871 is about 1094.4729325114. The cubic root of 1197871 is about 106.2029752690.

The spelling of 1197871 in words is "one million, one hundred ninety-seven thousand, eight hundred seventy-one".