130024449 has 12 divisors (see below), whose sum is σ = 198861156. Its totient is φ = 81583872.

The previous prime is 130024393. The next prime is 130024457. The reversal of 130024449 is 944420031.

It can be written as a sum of positive squares in 2 ways, for example, as 77316849 + 52707600 = 8793^2 + 7260^2 .

It is not a de Polignac number, because 130024449 - 2¹² = 130020353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130024469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 424764 + ... + 425069.

It is an arithmetic number, because the mean of its divisors is an integer number (16571763).

Almost surely, 2^130024449 is an apocalyptic number.

It is an amenable number.

130024449 is a deficient number, since it is larger than the sum of its proper divisors (68836707).

130024449 is a wasteful number, since it uses less digits than its factorization.

130024449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849856 (or 849853 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 130024449 is about 11402.8263601618. The cubic root of 130024449 is about 506.6114572711.

The spelling of 130024449 in words is "one hundred thirty million, twenty-four thousand, four hundred forty-nine".