1242013430 has 16 divisors (see below), whose sum is σ = 2554999200. Its totient is φ = 425833152.

The previous prime is 1242013429. The next prime is 1242013433. The reversal of 1242013430 is 343102421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242013433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8871455 + ... + 8871594.

It is an arithmetic number, because the mean of its divisors is an integer number (159687450).

Almost surely, 2^1242013430 is an apocalyptic number.

1242013430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1242013430 is an abundant number, since it is smaller than the sum of its proper divisors (1312985770).

1242013430 is a wasteful number, since it uses less digits than its factorization.

1242013430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17743063.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1242013430 is about 35242.2109124839. The cubic root of 1242013430 is about 1074.9182357138.

Adding to 1242013430 its reverse (343102421), we get a palindrome (1585115851).

The spelling of 1242013430 in words is "one billion, two hundred forty-two million, thirteen thousand, four hundred thirty".