1105001 has 4 divisors (see below), whose sum is σ = 1120212. Its totient is φ = 1089792.

The previous prime is 1104959. The next prime is 1105009. The reversal of 1105001 is 1005011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1005011 = 7 ⋅143573.

It can be written as a sum of positive squares in 2 ways, for example, as 648025 + 456976 = 805^2 + 676^2 .

It is a cyclic number.

It is not a de Polignac number, because 1105001 - 2⁶ = 1104937 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1105001.

It is not an unprimeable number, because it can be changed into a prime (1105009) 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, 7496 + ... + 7641.

It is an arithmetic number, because the mean of its divisors is an integer number (280053).

2^1105001 is an apocalyptic number.

It is an amenable number.

1105001 is a deficient number, since it is larger than the sum of its proper divisors (15211).

1105001 is an equidigital number, since it uses as much as digits as its factorization.

1105001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15210.

The product of its (nonzero) digits is 5, while the sum is 8.

The square root of 1105001 is about 1051.1902777328. The cubic root of 1105001 is about 103.3842124282.

The spelling of 1105001 in words is "one million, one hundred five thousand, one".