1197081 has 12 divisors (see below), whose sum is σ = 1804608. Its totient is φ = 763224.

The previous prime is 1197073. The next prime is 1197103. The reversal of 1197081 is 1807911.

It is not a de Polignac number, because 1197081 - 2³ = 1197073 is a prime.

It is a super-2 number, since 2×1197081² = 2866005841122, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1197011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2685 + ... + 3098.

It is an arithmetic number, because the mean of its divisors is an integer number (150384).

2^1197081 is an apocalyptic number.

It is an amenable number.

1197081 is a deficient number, since it is larger than the sum of its proper divisors (607527).

1197081 is a wasteful number, since it uses less digits than its factorization.

1197081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5812 (or 5809 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 27.

The square root of 1197081 is about 1094.1119686760. Note that the first 3 decimals coincide. The cubic root of 1197081 is about 106.1796230601.

The spelling of 1197081 in words is "one million, one hundred ninety-seven thousand, eighty-one".