1300985244 has 72 divisors (see below), whose sum is σ = 3546112752. Its totient is φ = 399790080.

The previous prime is 1300985221. The next prime is 1300985251. The reversal of 1300985244 is 4425890031.

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

It is a junction number, because it is equal to n+sod(n) for n = 1300985199 and 1300985208.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 538399 + ... + 540809.

It is an arithmetic number, because the mean of its divisors is an integer number (49251566).

Almost surely, 2^1300985244 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 1300985244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1773056376).

1300985244 is an abundant number, since it is smaller than the sum of its proper divisors (2245127508).

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

1300985244 is a wasteful number, since it uses less digits than its factorization.

1300985244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3587 (or 3582 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 1300985244 is about 36069.1730429185. The cubic root of 1300985244 is about 1091.6685283835.

The spelling of 1300985244 in words is "one billion, three hundred million, nine hundred eighty-five thousand, two hundred forty-four".