1121230428300 has 288 divisors, whose sum is σ = 3713865422400. Its totient is φ = 290053969920.

The previous prime is 1121230428281. The next prime is 1121230428337. The reversal of 1121230428300 is 38240321211.

1121230428300 is a `hidden beast` number, since 1 + 1 + 2 + 1 + 230 + 428 + 3 + 0 + 0 = 666.

It is a super-3 number, since 3×1121230428300³ (a number of 37 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 12691882 + ... + 12779918.

It is an arithmetic number, because the mean of its divisors is an integer number (12895366050).

Almost surely, 2^{1121230428300} is an apocalyptic number.

1121230428300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1121230428300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1856932711200).

1121230428300 is an abundant number, since it is smaller than the sum of its proper divisors (2592634994100).

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

1121230428300 is a wasteful number, since it uses less digits than its factorization.

1121230428300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88202 (or 88189 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 1121230428300 its reverse (38240321211), we get a palindrome (1159470749511).

The spelling of 1121230428300 in words is "one trillion, one hundred twenty-one billion, two hundred thirty million, four hundred twenty-eight thousand, three hundred".