1105122001 has 4 divisors (see below), whose sum is σ = 1115450352. Its totient is φ = 1094793652.

The previous prime is 1105121993. The next prime is 1105122041. The reversal of 1105122001 is 1002215011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1105122001 - 2³ = 1105121993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1105122041) 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, 5164015 + ... + 5164228.

It is an arithmetic number, because the mean of its divisors is an integer number (278862588).

Almost surely, 2^1105122001 is an apocalyptic number.

It is an amenable number.

1105122001 is a deficient number, since it is larger than the sum of its proper divisors (10328351).

1105122001 is a wasteful number, since it uses less digits than its factorization.

1105122001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10328350.

The product of its (nonzero) digits is 20, while the sum is 13.

The square root of 1105122001 is about 33243.3752949366. The cubic root of 1105122001 is about 1033.8798591999.

Adding to 1105122001 its reverse (1002215011), we get a palindrome (2107337012).

The spelling of 1105122001 in words is "one billion, one hundred five million, one hundred twenty-two thousand, one".