1104430521 has 16 divisors (see below), whose sum is σ = 1522741248. Its totient is φ = 711286800.

The previous prime is 1104430513. The next prime is 1104430531. The reversal of 1104430521 is 1250344011.

It is not a de Polignac number, because 1104430521 - 2³ = 1104430513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1104430531) 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, 44476 + ... + 64706.

It is an arithmetic number, because the mean of its divisors is an integer number (95171328).

Almost surely, 2^1104430521 is an apocalyptic number.

It is an amenable number.

1104430521 is a deficient number, since it is larger than the sum of its proper divisors (418310727).

1104430521 is a wasteful number, since it uses less digits than its factorization.

1104430521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20852.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1104430521 is about 33232.9733999232. The cubic root of 1104430521 is about 1033.6641797234.

Adding to 1104430521 its reverse (1250344011), we get a palindrome (2354774532).

The spelling of 1104430521 in words is "one billion, one hundred four million, four hundred thirty thousand, five hundred twenty-one".