1230240544 has 48 divisors (see below), whose sum is σ = 2624493312. Its totient is φ = 564288768.

The previous prime is 1230240527. The next prime is 1230240559. The reversal of 1230240544 is 4450420321.

It is a happy number.

It is a super-2 number, since 2×1230240544² = 3026983592202831872, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58737 + ... + 76879.

It is an arithmetic number, because the mean of its divisors is an integer number (54676944).

Almost surely, 2^1230240544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1230240544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1312246656).

1230240544 is an abundant number, since it is smaller than the sum of its proper divisors (1394252768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1230240544 is a wasteful number, since it uses less digits than its factorization.

1230240544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18329 (or 18321 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 1230240544 is about 35074.7850171601. The cubic root of 1230240544 is about 1071.5111103330.

Adding to 1230240544 its reverse (4450420321), we get a palindrome (5680660865).

The spelling of 1230240544 in words is "one billion, two hundred thirty million, two hundred forty thousand, five hundred forty-four".