1301330121 has 64 divisors (see below), whose sum is σ = 2320711680. Its totient is φ = 629233920.

The previous prime is 1301330101. The next prime is 1301330131. The reversal of 1301330121 is 1210331031.

It is not a de Polignac number, because 1301330121 - 2⁷ = 1301329993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1301330121.

It is not an unprimeable number, because it can be changed into a prime (1301330101) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 156751 + ... + 164843.

It is an arithmetic number, because the mean of its divisors is an integer number (36261120).

Almost surely, 2^1301330121 is an apocalyptic number.

It is an amenable number.

1301330121 is a deficient number, since it is larger than the sum of its proper divisors (1019381559).

1301330121 is a wasteful number, since it uses less digits than its factorization.

1301330121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8166.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 1301330121 is about 36073.9534983345. The cubic root of 1301330121 is about 1091.7649830015.

Adding to 1301330121 its reverse (1210331031), we get a palindrome (2511661152).

It can be divided in two parts, 13013 and 30121, that added together give a palindrome (43134).

The spelling of 1301330121 in words is "one billion, three hundred one million, three hundred thirty thousand, one hundred twenty-one".