1100242000 has 160 divisors (see below), whose sum is σ = 3126299904. Its totient is φ = 369216000.

The previous prime is 1100241959. The next prime is 1100242001. The reversal of 1100242000 is 2420011.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100242001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 284077 + ... + 287923.

Almost surely, 2^1100242000 is an apocalyptic number.

1100242000 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 1100242000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1563149952).

1100242000 is an abundant number, since it is smaller than the sum of its proper divisors (2026057904).

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

1100242000 is a wasteful number, since it uses less digits than its factorization.

1100242000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3894 (or 3878 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 1100242000 is about 33169.8959901897. The cubic root of 1100242000 is about 1032.3558104475.

Adding to 1100242000 its reverse (2420011), we get a palindrome (1102662011).

It can be divided in two parts, 1 and 100242000, that added together give a palindrome (100242001).

The spelling of 1100242000 in words is "one billion, one hundred million, two hundred forty-two thousand".