1242963297289 has 32 divisors (see below), whose sum is σ = 1435061650176. Its totient is φ = 1054558552320.

The previous prime is 1242963297239. The next prime is 1242963297311. The reversal of 1242963297289 is 9827923692421.

It is not a de Polignac number, because 1242963297289 - 2¹³ = 1242963289097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1242963297289.

It is not an unprimeable number, because it can be changed into a prime (1242963297229) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 371364714 + ... + 371368060.

It is an arithmetic number, because the mean of its divisors is an integer number (44845676568).

Almost surely, 2^{1242963297289} is an apocalyptic number.

It is an amenable number.

1242963297289 is a deficient number, since it is larger than the sum of its proper divisors (192098352887).

1242963297289 is a wasteful number, since it uses less digits than its factorization.

1242963297289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4705.

The product of its digits is 47029248, while the sum is 64.

The spelling of 1242963297289 in words is "one trillion, two hundred forty-two billion, nine hundred sixty-three million, two hundred ninety-seven thousand, two hundred eighty-nine".