1242030246277 has 4 divisors (see below), whose sum is σ = 1253638005696. Its totient is φ = 1230422486860.

The previous prime is 1242030246269. The next prime is 1242030246323. The reversal of 1242030246277 is 7726420302421.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1242030246277 - 2³ = 1242030246269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242030226277) 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 3 ways as a sum of consecutive naturals, for example, 5803879549 + ... + 5803879762.

It is an arithmetic number, because the mean of its divisors is an integer number (313409501424).

Almost surely, 2^{1242030246277} is an apocalyptic number.

It is an amenable number.

1242030246277 is a deficient number, since it is larger than the sum of its proper divisors (11607759419).

1242030246277 is a wasteful number, since it uses less digits than its factorization.

1242030246277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11607759418.

The product of its (nonzero) digits is 225792, while the sum is 40.

Adding to 1242030246277 its reverse (7726420302421), we get a palindrome (8968450548698).

The spelling of 1242030246277 in words is "one trillion, two hundred forty-two billion, thirty million, two hundred forty-six thousand, two hundred seventy-seven".