1186961 has 4 divisors (see below), whose sum is σ = 1238592. Its totient is φ = 1135332.

The previous prime is 1186937. The next prime is 1186963. The reversal of 1186961 is 1696811.

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-1186961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1186963) 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, 25781 + ... + 25826.

It is an arithmetic number, because the mean of its divisors is an integer number (309648).

2^1186961 is an apocalyptic number.

It is an amenable number.

1186961 is a deficient number, since it is larger than the sum of its proper divisors (51631).

1186961 is an equidigital number, since it uses as much as digits as its factorization.

1186961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51630.

The product of its digits is 2592, while the sum is 32.

The square root of 1186961 is about 1089.4773976545. The cubic root of 1186961 is about 105.8795653648.

The spelling of 1186961 in words is "one million, one hundred eighty-six thousand, nine hundred sixty-one".