1121346600 has 384 divisors, whose sum is σ = 4049740800. Its totient is φ = 254003200.

The previous prime is 1121346587. The next prime is 1121346641. The reversal of 1121346600 is 66431211.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 12599356 + ... + 12599444.

It is an arithmetic number, because the mean of its divisors is an integer number (10546200).

Almost surely, 2^1121346600 is an apocalyptic number.

1121346600 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 1121346600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2024870400).

1121346600 is an abundant number, since it is smaller than the sum of its proper divisors (2928394200).

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

1121346600 is a wasteful number, since it uses less digits than its factorization.

1121346600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225 (or 216 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 1121346600 is about 33486.5137032806. The cubic root of 1121346600 is about 1038.9148568067.

Adding to 1121346600 its reverse (66431211), we get a palindrome (1187777811).

The spelling of 1121346600 in words is "one billion, one hundred twenty-one million, three hundred forty-six thousand, six hundred".