1112144100 has 144 divisors (see below), whose sum is σ = 3445612800. Its totient is φ = 276117120.

The previous prime is 1112144087. The next prime is 1112144107. The reversal of 1112144100 is 14412111.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1112144100.

It is not an unprimeable number, because it can be changed into a prime (1112144107) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 334647 + ... + 337953.

Almost surely, 2^1112144100 is an apocalyptic number.

1112144100 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 1112144100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1722806400).

1112144100 is an abundant number, since it is smaller than the sum of its proper divisors (2333468700).

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

1112144100 is a wasteful number, since it uses less digits than its factorization.

1112144100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3402 (or 3395 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 1112144100 is about 33348.8245669919. The cubic root of 1112144100 is about 1036.0650428993.

Adding to 1112144100 its reverse (14412111), we get a palindrome (1126556211).

The spelling of 1112144100 in words is "one billion, one hundred twelve million, one hundred forty-four thousand, one hundred".