1242896317379 has 8 divisors (see below), whose sum is σ = 1245162274608. Its totient is φ = 1240630866720.

The previous prime is 1242896317367. The next prime is 1242896317381. The reversal of 1242896317379 is 9737136982421.

It is a happy number.

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 1242896317379 - 2⁸ = 1242896317123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1242896317279) 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, 4971389 + ... + 5215409.

It is an arithmetic number, because the mean of its divisors is an integer number (155645284326).

Almost surely, 2^{1242896317379} is an apocalyptic number.

1242896317379 is a deficient number, since it is larger than the sum of its proper divisors (2265957229).

1242896317379 is an equidigital number, since it uses as much as digits as its factorization.

1242896317379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253285.

The product of its digits is 27433728, while the sum is 62.

The spelling of 1242896317379 in words is "one trillion, two hundred forty-two billion, eight hundred ninety-six million, three hundred seventeen thousand, three hundred seventy-nine".