1300232421 has 6 divisors (see below), whose sum is σ = 1878113510. Its totient is φ = 866821608.

The previous prime is 1300232413. The next prime is 1300232431. The reversal of 1300232421 is 1242320031.

1300232421 is a `hidden beast` number, since 13 + 0 + 0 + 232 + 421 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1245101796 + 55130625 = 35286^2 + 7425^2 .

It is not a de Polignac number, because 1300232421 - 2³ = 1300232413 is a prime.

It is a super-3 number, since 3×1300232421³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1300232394 and 1300232403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1300232431) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 72235126 + ... + 72235143.

Almost surely, 2^1300232421 is an apocalyptic number.

It is an amenable number.

1300232421 is a deficient number, since it is larger than the sum of its proper divisors (577881089).

1300232421 is a wasteful number, since it uses less digits than its factorization.

1300232421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144470275 (or 144470272 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1300232421 is about 36058.7357099497. The cubic root of 1300232421 is about 1091.4579208841.

Adding to 1300232421 its reverse (1242320031), we get a palindrome (2542552452).

The spelling of 1300232421 in words is "one billion, three hundred million, two hundred thirty-two thousand, four hundred twenty-one".