1121030121 has 16 divisors (see below), whose sum is σ = 1533462336. Its totient is φ = 728222976.

The previous prime is 1121030117. The next prime is 1121030137. The reversal of 1121030121 is 1210301211.

1121030121 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 1121030121 - 2² = 1121030117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1121030097 and 1121030106.

It is not an unprimeable number, because it can be changed into a prime (1121030171) 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, 12660 + ... + 49013.

It is an arithmetic number, because the mean of its divisors is an integer number (95841396).

Almost surely, 2^1121030121 is an apocalyptic number.

It is an amenable number.

1121030121 is a deficient number, since it is larger than the sum of its proper divisors (412432215).

1121030121 is an equidigital number, since it uses as much as digits as its factorization.

1121030121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61832.

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

The square root of 1121030121 is about 33481.7879002899. The cubic root of 1121030121 is about 1038.8171095470.

Adding to 1121030121 its reverse (1210301211), we get a palindrome (2331331332).

The spelling of 1121030121 in words is "one billion, one hundred twenty-one million, thirty thousand, one hundred twenty-one".