1105521454 has 12 divisors (see below), whose sum is σ = 1674570456. Its totient is φ = 547383612.

The previous prime is 1105521449. The next prime is 1105521511. The reversal of 1105521454 is 4541255011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4834 + ... + 47269.

It is an arithmetic number, because the mean of its divisors is an integer number (139547538).

Almost surely, 2^1105521454 is an apocalyptic number.

1105521454 is a deficient number, since it is larger than the sum of its proper divisors (569049002).

1105521454 is an equidigital number, since it uses as much as digits as its factorization.

1105521454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52311 (or 52208 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 28.

The square root of 1105521454 is about 33249.3827611882. The cubic root of 1105521454 is about 1034.0044115607.

Adding to 1105521454 its reverse (4541255011), we get a palindrome (5646776465).

The spelling of 1105521454 in words is "one billion, one hundred five million, five hundred twenty-one thousand, four hundred fifty-four".