1301015320 has 64 divisors (see below), whose sum is σ = 3245819040. Its totient is φ = 465331200.

The previous prime is 1301015311. The next prime is 1301015341. The reversal of 1301015320 is 235101031.

It is a junction number, because it is equal to n+sod(n) for n = 1301015294 and 1301015303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2604 + ... + 51076.

Almost surely, 2^1301015320 is an apocalyptic number.

1301015320 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 1301015320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1622909520).

1301015320 is an abundant number, since it is smaller than the sum of its proper divisors (1944803720).

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

1301015320 is a wasteful number, since it uses less digits than its factorization.

1301015320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48556 (or 48552 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 1301015320 is about 36069.5899616283. The cubic root of 1301015320 is about 1091.6769406669.

Adding to 1301015320 its reverse (235101031), we get a palindrome (1536116351).

The spelling of 1301015320 in words is "one billion, three hundred one million, fifteen thousand, three hundred twenty".