1195861 has 4 divisors (see below), whose sum is σ = 1200672. Its totient is φ = 1191052.

The previous prime is 1195849. The next prime is 1195891. The reversal of 1195861 is 1685911.

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 not a de Polignac number, because 1195861 - 2¹⁵ = 1163093 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1195801) 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, 2011 + ... + 2536.

It is an arithmetic number, because the mean of its divisors is an integer number (300168).

2^1195861 is an apocalyptic number.

It is an amenable number.

1195861 is a deficient number, since it is larger than the sum of its proper divisors (4811).

1195861 is an equidigital number, since it uses as much as digits as its factorization.

1195861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4810.

The product of its digits is 2160, while the sum is 31.

The square root of 1195861 is about 1093.5542967773. The cubic root of 1195861 is about 106.1435399626.

It can be divided in two parts, 1195 and 861, that multiplied together give a triangular number (1028895 = T₁₄₃₄).

The spelling of 1195861 in words is "one million, one hundred ninety-five thousand, eight hundred sixty-one".