1103032120 has 32 divisors (see below), whose sum is σ = 2490617520. Its totient is φ = 439649280.

The previous prime is 1103032093. The next prime is 1103032129. The reversal of 1103032120 is 212303011.

It is a self number, because there is not a number n which added to its sum of digits gives 1103032120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103032129) 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, 37401 + ... + 60040.

Almost surely, 2^1103032120 is an apocalyptic number.

1103032120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1103032120 is an abundant number, since it is smaller than the sum of its proper divisors (1387585400).

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

1103032120 is a wasteful number, since it uses less digits than its factorization.

1103032120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97735 (or 97731 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1103032120 is about 33211.9273755680. The cubic root of 1103032120 is about 1033.2277292935.

Adding to 1103032120 its reverse (212303011), we get a palindrome (1315335131).

The spelling of 1103032120 in words is "one billion, one hundred three million, thirty-two thousand, one hundred twenty".