1242041739277 has 8 divisors (see below), whose sum is σ = 1337392900800. Its totient is φ = 1149167231424.

The previous prime is 1242041739229. The next prime is 1242041739293. The reversal of 1242041739277 is 7729371402421.

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 1242041739277 - 2¹⁹ = 1242041214989 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1242041739277.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242041739217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 619162377 + ... + 619164382.

It is an arithmetic number, because the mean of its divisors is an integer number (167174112600).

Almost surely, 2^{1242041739277} is an apocalyptic number.

1242041739277 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1242041739277 is a deficient number, since it is larger than the sum of its proper divisors (95351161523).

1242041739277 is a wasteful number, since it uses less digits than its factorization.

1242041739277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1238326835.

The product of its (nonzero) digits is 1185408, while the sum is 49.

The spelling of 1242041739277 in words is "one trillion, two hundred forty-two billion, forty-one million, seven hundred thirty-nine thousand, two hundred seventy-seven".