1101344000 has 144 divisors (see below), whose sum is σ = 2775392256. Its totient is φ = 435456000.

The previous prime is 1101343981. The next prime is 1101344003. The reversal of 1101344000 is 4431011.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101344003) 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, 4063865 + ... + 4064135.

Almost surely, 2^1101344000 is an apocalyptic number.

1101344000 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 1101344000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1387696128).

1101344000 is an abundant number, since it is smaller than the sum of its proper divisors (1674048256).

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

1101344000 is an equidigital number, since it uses as much as digits as its factorization.

1101344000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429 (or 405 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1101344000 is about 33186.5032807013. The cubic root of 1101344000 is about 1032.7003638850.

Adding to 1101344000 its reverse (4431011), we get a palindrome (1105775011).

The spelling of 1101344000 in words is "one billion, one hundred one million, three hundred forty-four thousand".