1230440524 has 12 divisors (see below), whose sum is σ = 2156634648. Its totient is φ = 614259200.

The previous prime is 1230440509. The next prime is 1230440537. The reversal of 1230440524 is 4250440321.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237382 + ... + 242509.

It is an arithmetic number, because the mean of its divisors is an integer number (179719554).

Almost surely, 2^1230440524 is an apocalyptic number.

It is an amenable number.

1230440524 is a deficient number, since it is larger than the sum of its proper divisors (926194124).

1230440524 is a wasteful number, since it uses less digits than its factorization.

1230440524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480536 (or 480534 counting only the distinct ones).

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

The square root of 1230440524 is about 35077.6356671883. The cubic root of 1230440524 is about 1071.5691665083.

Adding to 1230440524 its reverse (4250440321), we get a palindrome (5480880845).

The spelling of 1230440524 in words is "one billion, two hundred thirty million, four hundred forty thousand, five hundred twenty-four".