1103000121 has 24 divisors (see below), whose sum is σ = 1663960896. Its totient is φ = 702741600.

The previous prime is 1103000113. The next prime is 1103000131. The reversal of 1103000121 is 1210003011.

1103000121 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1103000121 - 2³ = 1103000113 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1103000111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 392106 + ... + 394908.

It is an arithmetic number, because the mean of its divisors is an integer number (69331704).

Almost surely, 2^1103000121 is an apocalyptic number.

It is an amenable number.

1103000121 is a deficient number, since it is larger than the sum of its proper divisors (560960775).

1103000121 is a wasteful number, since it uses less digits than its factorization.

1103000121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4733 (or 4730 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 1103000121 is about 33211.4456324924. The cubic root of 1103000121 is about 1033.2177378728.

Adding to 1103000121 its reverse (1210003011), we get a palindrome (2313003132).

The spelling of 1103000121 in words is "one billion, one hundred three million, one hundred twenty-one", and thus it is an aban number.