1123410121 has 8 divisors (see below), whose sum is σ = 1150456320. Its totient is φ = 1096495008.

The previous prime is 1123410089. The next prime is 1123410151. The reversal of 1123410121 is 1210143211.

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 1123410121 - 2⁵ = 1123410089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1123410095 and 1123410104.

It is not an unprimeable number, because it can be changed into a prime (1123410151) 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, 15316 + ... + 49813.

It is an arithmetic number, because the mean of its divisors is an integer number (143807040).

Almost surely, 2^1123410121 is an apocalyptic number.

It is an amenable number.

1123410121 is a deficient number, since it is larger than the sum of its proper divisors (27046199).

1123410121 is an equidigital number, since it uses as much as digits as its factorization.

1123410121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65543.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 1123410121 is about 33517.3107662294. The cubic root of 1123410121 is about 1039.5517425338.

Adding to 1123410121 its reverse (1210143211), we get a palindrome (2333553332).

The spelling of 1123410121 in words is "one billion, one hundred twenty-three million, four hundred ten thousand, one hundred twenty-one".