1112147520 has 448 divisors, whose sum is σ = 4248668160. Its totient is φ = 243302400.

The previous prime is 1112147503. The next prime is 1112147527. The reversal of 1112147520 is 257412111.

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

It is not an unprimeable number, because it can be changed into a prime (1112147527) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4614600 + ... + 4614840.

Almost surely, 2^1112147520 is an apocalyptic number.

1112147520 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 1112147520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2124334080).

1112147520 is an abundant number, since it is smaller than the sum of its proper divisors (3136520640).

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

1112147520 is a wasteful number, since it uses less digits than its factorization.

1112147520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314 (or 304 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 24.

The square root of 1112147520 is about 33348.8758431225. The cubic root of 1112147520 is about 1036.0661049136.

Adding to 1112147520 its reverse (257412111), we get a palindrome (1369559631).

The spelling of 1112147520 in words is "one billion, one hundred twelve million, one hundred forty-seven thousand, five hundred twenty".