1297240287429 has 16 divisors (see below), whose sum is σ = 1734586247744. Its totient is φ = 862362547200.

The previous prime is 1297240287401. The next prime is 1297240287443. The reversal of 1297240287429 is 9247820427921.

It is not a de Polignac number, because 1297240287429 - 2⁵ = 1297240287397 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 (1297240287449) 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 15 ways as a sum of consecutive naturals, for example, 2425674 + ... + 2911764.

It is an arithmetic number, because the mean of its divisors is an integer number (108411640484).

Almost surely, 2^{1297240287429} is an apocalyptic number.

It is an amenable number.

1297240287429 is a deficient number, since it is larger than the sum of its proper divisors (437345960315).

1297240287429 is a wasteful number, since it uses less digits than its factorization.

1297240287429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488628.

The product of its (nonzero) digits is 8128512, while the sum is 57.

The spelling of 1297240287429 in words is "one trillion, two hundred ninety-seven billion, two hundred forty million, two hundred eighty-seven thousand, four hundred twenty-nine".