130032421 has 2 divisors, whose sum is σ = 130032422. Its totient is φ = 130032420.

The previous prime is 130032403. The next prime is 130032431. The reversal of 130032421 is 124230031.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97416900 + 32615521 = 9870^2 + 5711^2 .

It is an emirp because it is prime and its reverse (124230031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 130032421 - 2⁵ = 130032389 is a prime.

It is a super-2 number, since 2×130032421² = 33816861022242482, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 130032395 and 130032404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130032431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65016210 + 65016211.

It is an arithmetic number, because the mean of its divisors is an integer number (65016211).

Almost surely, 2^130032421 is an apocalyptic number.

It is an amenable number.

130032421 is a deficient number, since it is larger than the sum of its proper divisors (1).

130032421 is an equidigital number, since it uses as much as digits as its factorization.

130032421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 130032421 is about 11403.1759172609. The cubic root of 130032421 is about 506.6218107700.

Adding to 130032421 its reverse (124230031), we get a palindrome (254262452).

The spelling of 130032421 in words is "one hundred thirty million, thirty-two thousand, four hundred twenty-one".