1301401320 has 64 divisors (see below), whose sum is σ = 3909608640. Its totient is φ = 346560000.

The previous prime is 1301401319. The next prime is 1301401331. The reversal of 1301401320 is 231041031.

1301401320 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 (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1301401320.

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, 84195 + ... + 98445.

It is an arithmetic number, because the mean of its divisors is an integer number (61087635).

Almost surely, 2^1301401320 is an apocalyptic number.

1301401320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1301401320 is an abundant number, since it is smaller than the sum of its proper divisors (2608207320).

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

1301401320 is a wasteful number, since it uses less digits than its factorization.

1301401320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15026 (or 15022 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1301401320 is about 36074.9403325910. The cubic root of 1301401320 is about 1091.7848936955.

Adding to 1301401320 its reverse (231041031), we get a palindrome (1532442351).

The spelling of 1301401320 in words is "one billion, three hundred one million, four hundred one thousand, three hundred twenty".