1196561 has 4 divisors (see below), whose sum is σ = 1224432. Its totient is φ = 1168692.

The previous prime is 1196539. The next prime is 1196593. The reversal of 1196561 is 1656911.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1196561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1196501) 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, 13871 + ... + 13956.

It is an arithmetic number, because the mean of its divisors is an integer number (306108).

2^1196561 is an apocalyptic number.

It is an amenable number.

1196561 is a deficient number, since it is larger than the sum of its proper divisors (27871).

1196561 is an equidigital number, since it uses as much as digits as its factorization.

1196561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27870.

The product of its digits is 1620, while the sum is 29.

The square root of 1196561 is about 1093.8743072218. The cubic root of 1196561 is about 106.1642463784.

The spelling of 1196561 in words is "one million, one hundred ninety-six thousand, five hundred sixty-one".