1121040403230 has 256 divisors, whose sum is σ = 3002254295040. Its totient is φ = 265641292800.

The previous prime is 1121040403207. The next prime is 1121040403267. The reversal of 1121040403230 is 323040401211.

It is a junction number, because it is equal to n+sod(n) for n = 1121040403197 and 1121040403206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 992949306 + ... + 992950434.

It is an arithmetic number, because the mean of its divisors is an integer number (11727555840).

Almost surely, 2^{1121040403230} is an apocalyptic number.

1121040403230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1121040403230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1501127147520).

1121040403230 is an abundant number, since it is smaller than the sum of its proper divisors (1881213891810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1121040403230 is a wasteful number, since it uses less digits than its factorization.

1121040403230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1607.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 1121040403230 its reverse (323040401211), we get a palindrome (1444080804441).

The spelling of 1121040403230 in words is "one trillion, one hundred twenty-one billion, forty million, four hundred three thousand, two hundred thirty".