1300011240 has 128 divisors (see below), whose sum is σ = 4263477120. Its totient is φ = 314496000.

The previous prime is 1300011239. The next prime is 1300011253. The reversal of 1300011240 is 421100031.

It is a happy number.

1300011240 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 998590 + ... + 999890.

It is an arithmetic number, because the mean of its divisors is an integer number (33308415).

Almost surely, 2^1300011240 is an apocalyptic number.

1300011240 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 1300011240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2131738560).

1300011240 is an abundant number, since it is smaller than the sum of its proper divisors (2963465880).

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

1300011240 is a wasteful number, since it uses less digits than its factorization.

1300011240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2083 (or 2079 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1300011240 is about 36055.6686250581. The cubic root of 1300011240 is about 1091.3960285023.

Adding to 1300011240 its reverse (421100031), we get a palindrome (1721111271).

The spelling of 1300011240 in words is "one billion, three hundred million, eleven thousand, two hundred forty".