1300232121 has 16 divisors (see below), whose sum is σ = 1741703040. Its totient is φ = 862801920.

The previous prime is 1300232119. The next prime is 1300232137. The reversal of 1300232121 is 1212320031.

It is not a de Polignac number, because 1300232121 - 2¹ = 1300232119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1300232121.

It is not an unprimeable number, because it can be changed into a prime (1300232161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 859756 + ... + 861266.

It is an arithmetic number, because the mean of its divisors is an integer number (108856440).

Almost surely, 2^1300232121 is an apocalyptic number.

It is an amenable number.

1300232121 is a deficient number, since it is larger than the sum of its proper divisors (441470919).

1300232121 is a wasteful number, since it uses less digits than its factorization.

1300232121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2656.

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

The square root of 1300232121 is about 36058.7315500698. The cubic root of 1300232121 is about 1091.4578369408.

Adding to 1300232121 its reverse (1212320031), we get a palindrome (2512552152).

The spelling of 1300232121 in words is "one billion, three hundred million, two hundred thirty-two thousand, one hundred twenty-one".