1103004520 has 16 divisors (see below), whose sum is σ = 2481760260. Its totient is φ = 441201792.

The previous prime is 1103004503. The next prime is 1103004541. The reversal of 1103004520 is 254003011.

It can be written as a sum of positive squares in 2 ways, for example, as 993132196 + 109872324 = 31514^2 + 10482^2 .

It is a super-2 number, since 2×1103004520² = 2433237942280860800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1103004494 and 1103004503.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13787517 + ... + 13787596.

Almost surely, 2^1103004520 is an apocalyptic number.

1103004520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1103004520 is an abundant number, since it is smaller than the sum of its proper divisors (1378755740).

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

1103004520 is a wasteful number, since it uses less digits than its factorization.

1103004520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27575124 (or 27575120 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 1103004520 is about 33211.5118595947. The cubic root of 1103004520 is about 1033.2191114353.

Adding to 1103004520 its reverse (254003011), we get a palindrome (1357007531).

The spelling of 1103004520 in words is "one billion, one hundred three million, four thousand, five hundred twenty".