1103000520 has 32 divisors (see below), whose sum is σ = 3309001920. Its totient is φ = 294133440.

The previous prime is 1103000501. The next prime is 1103000527. The reversal of 1103000520 is 250003011.

It is a super-2 number, since 2×1103000520² = 2433220294240540800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1103000496 and 1103000505.

It is not an unprimeable number, because it can be changed into a prime (1103000527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4595716 + ... + 4595955.

It is an arithmetic number, because the mean of its divisors is an integer number (103406310).

Almost surely, 2^1103000520 is an apocalyptic number.

1103000520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1103000520 is an abundant number, since it is smaller than the sum of its proper divisors (2206001400).

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

1103000520 is a wasteful number, since it uses less digits than its factorization.

1103000520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9191685 (or 9191681 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 1103000520 is about 33211.4516394571. The cubic root of 1103000520 is about 1033.2178624584.

Adding to 1103000520 its reverse (250003011), we get a palindrome (1353003531).

The spelling of 1103000520 in words is "one billion, one hundred three million, five hundred twenty", and thus it is an aban number.