1242340030 has 16 divisors (see below), whose sum is σ = 2272872384. Its totient is φ = 488789280.

The previous prime is 1242340027. The next prime is 1242340039. The reversal of 1242340030 is 300432421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242340039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1017702 + ... + 1018921.

It is an arithmetic number, because the mean of its divisors is an integer number (142054524).

Almost surely, 2^1242340030 is an apocalyptic number.

1242340030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1242340030 is a deficient number, since it is larger than the sum of its proper divisors (1030532354).

1242340030 is a wasteful number, since it uses less digits than its factorization.

1242340030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2036691.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 1242340030 is about 35246.8442559047. The cubic root of 1242340030 is about 1075.0124476655.

Adding to 1242340030 its reverse (300432421), we get a palindrome (1542772451).

The spelling of 1242340030 in words is "one billion, two hundred forty-two million, three hundred forty thousand, thirty".