1103541121 has 8 divisors (see below), whose sum is σ = 1146061664. Its totient is φ = 1061786880.

The previous prime is 1103541107. The next prime is 1103541139. The reversal of 1103541121 is 1211453011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1103541121 - 2⁹ = 1103540609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1103541521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188640 + ... + 194401.

It is an arithmetic number, because the mean of its divisors is an integer number (143257708).

Almost surely, 2^1103541121 is an apocalyptic number.

It is an amenable number.

1103541121 is a deficient number, since it is larger than the sum of its proper divisors (42520543).

1103541121 is an equidigital number, since it uses as much as digits as its factorization.

1103541121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383151.

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 1103541121 is about 33219.5894164874. The cubic root of 1103541121 is about 1033.3866346306.

Adding to 1103541121 its reverse (1211453011), we get a palindrome (2314994132).

The spelling of 1103541121 in words is "one billion, one hundred three million, five hundred forty-one thousand, one hundred twenty-one".