1120103121 has 16 divisors (see below), whose sum is σ = 1508564736. Its totient is φ = 739205376.

The previous prime is 1120103111. The next prime is 1120103137. The reversal of 1120103121 is 1213010211.

It is not a de Polignac number, because 1120103121 - 2⁷ = 1120102993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1120103097 and 1120103106.

It is not an unprimeable number, because it can be changed into a prime (1120103111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 369016 + ... + 372038.

It is an arithmetic number, because the mean of its divisors is an integer number (94285296).

Almost surely, 2^1120103121 is an apocalyptic number.

It is an amenable number.

1120103121 is a deficient number, since it is larger than the sum of its proper divisors (388461615).

1120103121 is a wasteful number, since it uses less digits than its factorization.

1120103121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4232.

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

The square root of 1120103121 is about 33467.9416905193. The cubic root of 1120103121 is about 1038.5306917245.

Adding to 1120103121 its reverse (1213010211), we get a palindrome (2333113332).

The spelling of 1120103121 in words is "one billion, one hundred twenty million, one hundred three thousand, one hundred twenty-one".