1242013424 has 20 divisors (see below), whose sum is σ = 2409997536. Its totient is φ = 620078592.

The previous prime is 1242013417. The next prime is 1242013427. The reversal of 1242013424 is 4243102421.

It is a self number, because there is not a number n which added to its sum of digits gives 1242013424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242013427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46904 + ... + 68439.

Almost surely, 2^1242013424 is an apocalyptic number.

It is an amenable number.

1242013424 is a deficient number, since it is larger than the sum of its proper divisors (1167984112).

1242013424 is a wasteful number, since it uses less digits than its factorization.

1242013424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116024 (or 116018 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1242013424 is about 35242.2108273587. The cubic root of 1242013424 is about 1074.9182339828.

Adding to 1242013424 its reverse (4243102421), we get a palindrome (5485115845).

The spelling of 1242013424 in words is "one billion, two hundred forty-two million, thirteen thousand, four hundred twenty-four".