1195911 has 8 divisors (see below), whose sum is σ = 1771760. Its totient is φ = 797256.

The previous prime is 1195907. The next prime is 1195919.

1195911 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 1195911 - 2² = 1195907 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 44293 = 1195911 / (1 + 1 + 9 + 5 + 9 + 1 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1195919) 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, 22120 + ... + 22173.

It is an arithmetic number, because the mean of its divisors is an integer number (221470).

2^1195911 is an apocalyptic number.

1195911 is a deficient number, since it is larger than the sum of its proper divisors (575849).

1195911 is an equidigital number, since it uses as much as digits as its factorization.

1195911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44302 (or 44296 counting only the distinct ones).

The product of its digits is 405, while the sum is 27.

The square root of 1195911 is about 1093.5771577717. The cubic root of 1195911 is about 106.1450192602.

The spelling of 1195911 in words is "one million, one hundred ninety-five thousand, nine hundred eleven".