1165941 has 32 divisors (see below), whose sum is σ = 2048000. Its totient is φ = 641520.

The previous prime is 1165937. The next prime is 1165943. The reversal of 1165941 is 1495611.

1165941 is a `hidden beast` number, since 1 + 1 + 659 + 4 + 1 = 666.

It is not a de Polignac number, because 1165941 - 2² = 1165937 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1165943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5760 + ... + 5958.

It is an arithmetic number, because the mean of its divisors is an integer number (64000).

2^1165941 is an apocalyptic number.

It is an amenable number.

1165941 is a deficient number, since it is larger than the sum of its proper divisors (882059).

1165941 is a wasteful number, since it uses less digits than its factorization.

1165941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246 (or 240 counting only the distinct ones).

The product of its digits is 1080, while the sum is 27.

The square root of 1165941 is about 1079.7874790902. The cubic root of 1165941 is about 105.2508289025.

The spelling of 1165941 in words is "one million, one hundred sixty-five thousand, nine hundred forty-one".