1105641 has 6 divisors (see below), whose sum is σ = 1597050. Its totient is φ = 737088.

The previous prime is 1105639. The next prime is 1105649. The reversal of 1105641 is 1465011.

It can be written as a sum of positive squares in only one way, i.e., 921600 + 184041 = 960^2 + 429^2 .

It is not a de Polignac number, because 1105641 - 2¹ = 1105639 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1105649) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61416 + ... + 61433.

It is an arithmetic number, because the mean of its divisors is an integer number (266175).

2^1105641 is an apocalyptic number.

It is an amenable number.

1105641 is a deficient number, since it is larger than the sum of its proper divisors (491409).

1105641 is a wasteful number, since it uses less digits than its factorization.

1105641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122855 (or 122852 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 1105641 is about 1051.4946504857. The cubic root of 1105641 is about 103.4041681043.

The spelling of 1105641 in words is "one million, one hundred five thousand, six hundred forty-one".