1118447000 has 128 divisors (see below), whose sum is σ = 3023542080. Its totient is φ = 382720000.

The previous prime is 1118446999. The next prime is 1118447009. The reversal of 1118447000 is 7448111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1118447009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 184010 + ... + 189990.

Almost surely, 2^1118447000 is an apocalyptic number.

1118447000 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 1118447000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1511771040).

1118447000 is an abundant number, since it is smaller than the sum of its proper divisors (1905095080).

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

1118447000 is a wasteful number, since it uses less digits than its factorization.

1118447000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6030 (or 6016 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 26.

The square root of 1118447000 is about 33443.1906372583. The cubic root of 1118447000 is about 1038.0186017162.

The spelling of 1118447000 in words is "one billion, one hundred eighteen million, four hundred forty-seven thousand".