1106521620 has 48 divisors (see below), whose sum is σ = 3261330240. Its totient is φ = 279542016.

The previous prime is 1106521613. The next prime is 1106521621. The reversal of 1106521620 is 261256011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1106521621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 484177 + ... + 486456.

It is an arithmetic number, because the mean of its divisors is an integer number (67944380).

Almost surely, 2^1106521620 is an apocalyptic number.

1106521620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1106521620 is an abundant number, since it is smaller than the sum of its proper divisors (2154808620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1106521620 is a wasteful number, since it uses less digits than its factorization.

1106521620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970664 (or 970662 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 1106521620 is about 33264.4197303966. The cubic root of 1106521620 is about 1034.3161390674.

Adding to 1106521620 its reverse (261256011), we get a palindrome (1367777631).

The spelling of 1106521620 in words is "one billion, one hundred six million, five hundred twenty-one thousand, six hundred twenty".