1242441719 has 8 divisors (see below), whose sum is σ = 1320533280. Its totient is φ = 1164906496.

The previous prime is 1242441679. The next prime is 1242441721. The reversal of 1242441719 is 9171442421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1242441719 - 2²⁸ = 974006263 is a prime.

It is a super-2 number, since 2×1242441719² = 3087322850223349922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242441779) 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, 134474 + ... + 143415.

It is an arithmetic number, because the mean of its divisors is an integer number (165066660).

Almost surely, 2^1242441719 is an apocalyptic number.

1242441719 is a deficient number, since it is larger than the sum of its proper divisors (78091561).

1242441719 is a wasteful number, since it uses less digits than its factorization.

1242441719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278169.

The product of its digits is 16128, while the sum is 35.

The square root of 1242441719 is about 35248.2867526920. The cubic root of 1242441719 is about 1075.0417777887.

The spelling of 1242441719 in words is "one billion, two hundred forty-two million, four hundred forty-one thousand, seven hundred nineteen".