1105521023 has 16 divisors (see below), whose sum is σ = 1181568000. Its totient is φ = 1031333472.

The previous prime is 1105520987. The next prime is 1105521041. The reversal of 1105521023 is 3201255011.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1105521023 - 2⁶ = 1105520959 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1105520986 and 1105521004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1105521083) 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, 763286 + ... + 764732.

It is an arithmetic number, because the mean of its divisors is an integer number (73848000).

Almost surely, 2^1105521023 is an apocalyptic number.

1105521023 is a deficient number, since it is larger than the sum of its proper divisors (76046977).

1105521023 is a wasteful number, since it uses less digits than its factorization.

1105521023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2054.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 1105521023 is about 33249.3762798643. The cubic root of 1105521023 is about 1034.0042771879.

Adding to 1105521023 its reverse (3201255011), we get a palindrome (4306776034).

The spelling of 1105521023 in words is "one billion, one hundred five million, five hundred twenty-one thousand, twenty-three".