1197131 has 8 divisors (see below), whose sum is σ = 1308384. Its totient is φ = 1088640.

The previous prime is 1197121. The next prime is 1197167. The reversal of 1197131 is 1317911.

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 1197131 - 2⁶ = 1197067 is a prime.

It is a super-2 number, since 2×1197131² = 2866245262322, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 1197097 and 1197106.

It is not an unprimeable number, because it can be changed into a prime (1197121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 275 + ... + 1571.

It is an arithmetic number, because the mean of its divisors is an integer number (163548).

2^1197131 is an apocalyptic number.

1197131 is a deficient number, since it is larger than the sum of its proper divisors (111253).

1197131 is a wasteful number, since it uses less digits than its factorization.

1197131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1381.

The product of its digits is 189, while the sum is 23.

The square root of 1197131 is about 1094.1348180183. The cubic root of 1197131 is about 106.1811013525.

The spelling of 1197131 in words is "one million, one hundred ninety-seven thousand, one hundred thirty-one".