1113247488 has 72 divisors (see below), whose sum is σ = 2974126288. Its totient is φ = 369672192.

The previous prime is 1113247481. The next prime is 1113247501. The reversal of 1113247488 is 8847423111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113247481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210120 + ... + 215352.

Almost surely, 2^1113247488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1113247488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1487063144).

1113247488 is an abundant number, since it is smaller than the sum of its proper divisors (1860878800).

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

1113247488 is an equidigital number, since it uses as much as digits as its factorization.

1113247488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5529 (or 5515 counting only the distinct ones).

The product of its digits is 43008, while the sum is 39.

The square root of 1113247488 is about 33365.3635975992. The cubic root of 1113247488 is about 1036.4075656244.

The spelling of 1113247488 in words is "one billion, one hundred thirteen million, two hundred forty-seven thousand, four hundred eighty-eight".