1165061 has 8 divisors (see below), whose sum is σ = 1298880. Its totient is φ = 1038528.

The previous prime is 1165057. The next prime is 1165069. The reversal of 1165061 is 1605611.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1165061 - 2² = 1165057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1165069) 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, 1481 + ... + 2126.

It is an arithmetic number, because the mean of its divisors is an integer number (162360).

2^1165061 is an apocalyptic number.

It is an amenable number.

1165061 is a deficient number, since it is larger than the sum of its proper divisors (133819).

1165061 is a wasteful number, since it uses less digits than its factorization.

1165061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3643.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 1165061 is about 1079.3799145806. The cubic root of 1165061 is about 105.2243427020.

It can be divided in two parts, 11650 and 61, that added together give a palindrome (11711).

The spelling of 1165061 in words is "one million, one hundred sixty-five thousand, sixty-one".