1105021063 has 16 divisors (see below), whose sum is σ = 1188095040. Its totient is φ = 1024055296.

The previous prime is 1105021061. The next prime is 1105021087. The reversal of 1105021063 is 3601205011.

It is a cyclic number.

It is not a de Polignac number, because 1105021063 - 2¹ = 1105021061 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 1105021063.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1105021061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 396531 + ... + 399307.

It is an arithmetic number, because the mean of its divisors is an integer number (74255940).

Almost surely, 2^1105021063 is an apocalyptic number.

1105021063 is a deficient number, since it is larger than the sum of its proper divisors (83073977).

1105021063 is a wasteful number, since it uses less digits than its factorization.

1105021063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3146.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 1105021063 is about 33241.8570931288. The cubic root of 1105021063 is about 1033.8483812446.

Adding to 1105021063 its reverse (3601205011), we get a palindrome (4706226074).

The spelling of 1105021063 in words is "one billion, one hundred five million, twenty-one thousand, sixty-three".