1247301330 has 64 divisors (see below), whose sum is σ = 3270630528. Its totient is φ = 301916160.

The previous prime is 1247301323. The next prime is 1247301353. The reversal of 1247301330 is 331037421.

It is a self number, because there is not a number n which added to its sum of digits gives 1247301330.

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, 247314 + ... + 252306.

It is an arithmetic number, because the mean of its divisors is an integer number (51103602).

Almost surely, 2^1247301330 is an apocalyptic number.

1247301330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1247301330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1635315264).

1247301330 is an abundant number, since it is smaller than the sum of its proper divisors (2023329198).

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

1247301330 is a wasteful number, since it uses less digits than its factorization.

1247301330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5771.

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 1247301330 is about 35317.1534809928. The cubic root of 1247301330 is about 1076.4415720311.

Adding to 1247301330 its reverse (331037421), we get a palindrome (1578338751).

The spelling of 1247301330 in words is "one billion, two hundred forty-seven million, three hundred one thousand, three hundred thirty".