1242424043 has 16 divisors (see below), whose sum is σ = 1434343680. Its totient is φ = 1054154400.

The previous prime is 1242424033. The next prime is 1242424049. The reversal of 1242424043 is 3404242421.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1242424043 - 2²² = 1238229739 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1242424049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 421268 + ... + 424206.

It is an arithmetic number, because the mean of its divisors is an integer number (89646480).

Almost surely, 2^1242424043 is an apocalyptic number.

1242424043 is a deficient number, since it is larger than the sum of its proper divisors (191919637).

1242424043 is a wasteful number, since it uses less digits than its factorization.

1242424043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3538.

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 1242424043 is about 35248.0360162095. The cubic root of 1242424043 is about 1075.0366796210.

Adding to 1242424043 its reverse (3404242421), we get a palindrome (4646666464).

The spelling of 1242424043 in words is "one billion, two hundred forty-two million, four hundred twenty-four thousand, forty-three".