1230242481 has 12 divisors (see below), whose sum is σ = 1913710708. Its totient is φ = 757072224.

The previous prime is 1230242479. The next prime is 1230242509. The reversal of 1230242481 is 1842420321.

1230242481 is a `hidden beast` number, since 1 + 230 + 2 + 424 + 8 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 426009600 + 804232881 = 20640^2 + 28359^2 .

It is not a de Polignac number, because 1230242481 - 2¹ = 1230242479 is a prime.

It is a super-2 number, since 2×1230242481² = 3026993124114070722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1230242441) 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 in 11 ways as a sum of consecutive naturals, for example, 5257330 + ... + 5257563.

Almost surely, 2^1230242481 is an apocalyptic number.

It is an amenable number.

1230242481 is a deficient number, since it is larger than the sum of its proper divisors (683468227).

1230242481 is a wasteful number, since it uses less digits than its factorization.

1230242481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10514912 (or 10514909 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 1230242481 is about 35074.8126295779. The cubic root of 1230242481 is about 1071.5116726934.

The spelling of 1230242481 in words is "one billion, two hundred thirty million, two hundred forty-two thousand, four hundred eighty-one".