1298318112 has 384 divisors, whose sum is σ = 4769856000. Its totient is φ = 341397504.

The previous prime is 1298318093. The next prime is 1298318159. The reversal of 1298318112 is 2118138921.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a zygodrome in base 7.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3852408 + ... + 3852744.

It is an arithmetic number, because the mean of its divisors is an integer number (12421500).

Almost surely, 2^1298318112 is an apocalyptic number.

1298318112 is a gapful number since it is divisible by the number (12) 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 1298318112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2384928000).

1298318112 is an abundant number, since it is smaller than the sum of its proper divisors (3471537888).

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

1298318112 is a wasteful number, since it uses less digits than its factorization.

1298318112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390 (or 362 counting only the distinct ones).

The product of its digits is 6912, while the sum is 36.

The square root of 1298318112 is about 36032.1816158833. The cubic root of 1298318112 is about 1090.9220131197.

The spelling of 1298318112 in words is "one billion, two hundred ninety-eight million, three hundred eighteen thousand, one hundred twelve".