1112251500 has 240 divisors, whose sum is σ = 3757834080. Its totient is φ = 286070400.

The previous prime is 1112251489. The next prime is 1112251501. The reversal of 1112251500 is 51522111.

1112251500 is a `hidden beast` number, since 1 + 112 + 2 + 51 + 500 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1112251501) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1174027 + ... + 1174973.

It is an arithmetic number, because the mean of its divisors is an integer number (15657642).

Almost surely, 2^1112251500 is an apocalyptic number.

1112251500 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 1112251500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1878917040).

1112251500 is an abundant number, since it is smaller than the sum of its proper divisors (2645582580).

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

1112251500 is a wasteful number, since it uses less digits than its factorization.

1112251500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1007 (or 986 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 18.

The square root of 1112251500 is about 33350.4347797746. The cubic root of 1112251500 is about 1036.0983928354.

Adding to 1112251500 its reverse (51522111), we get a palindrome (1163773611).

The spelling of 1112251500 in words is "one billion, one hundred twelve million, two hundred fifty-one thousand, five hundred".