1121120103 has 8 divisors (see below), whose sum is σ = 1495003888. Its totient is φ = 747324864.

The previous prime is 1121120071. The next prime is 1121120107. The reversal of 1121120103 is 3010211211.

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

It is not a de Polignac number, because 1121120103 - 2⁵ = 1121120071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121120107) 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, 17601 + ... + 50517.

It is an arithmetic number, because the mean of its divisors is an integer number (186875486).

Almost surely, 2^1121120103 is an apocalyptic number.

1121120103 is a deficient number, since it is larger than the sum of its proper divisors (373883785).

1121120103 is a wasteful number, since it uses less digits than its factorization.

1121120103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44273.

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

The square root of 1121120103 is about 33483.1316187719. The cubic root of 1121120103 is about 1038.8449031327.

Adding to 1121120103 its reverse (3010211211), we get a palindrome (4131331314).

The spelling of 1121120103 in words is "one billion, one hundred twenty-one million, one hundred twenty thousand, one hundred three".