1302001320 has 32 divisors (see below), whose sum is σ = 3906004320. Its totient is φ = 347200320.

The previous prime is 1302001301. The next prime is 1302001331. The reversal of 1302001320 is 231002031.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 1302001296 and 1302001305.

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 7 ways as a sum of consecutive naturals, for example, 5424886 + ... + 5425125.

It is an arithmetic number, because the mean of its divisors is an integer number (122062635).

Almost surely, 2^1302001320 is an apocalyptic number.

1302001320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1302001320 is an abundant number, since it is smaller than the sum of its proper divisors (2604003000).

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

1302001320 is a wasteful number, since it uses less digits than its factorization.

1302001320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10850025 (or 10850021 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1302001320 is about 36083.2553963746. The cubic root of 1302001320 is about 1091.9526539603.

Adding to 1302001320 its reverse (231002031), we get a palindrome (1533003351).

The spelling of 1302001320 in words is "one billion, three hundred two million, one thousand, three hundred twenty".