1291879574059 has 8 divisors (see below), whose sum is σ = 1373483125152. Its totient is φ = 1212395595840.

The previous prime is 1291879574021. The next prime is 1291879574093. The reversal of 1291879574059 is 9504759781921.

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 1291879574059 - 2¹⁵ = 1291879541291 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1291879573985 and 1291879574003.

It is not an unprimeable number, because it can be changed into a prime (1291879574959) 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, 529891962 + ... + 529894399.

It is an arithmetic number, because the mean of its divisors is an integer number (171685390644).

Almost surely, 2^{1291879574059} is an apocalyptic number.

1291879574059 is a deficient number, since it is larger than the sum of its proper divisors (81603551093).

1291879574059 is a wasteful number, since it uses less digits than its factorization.

1291879574059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059786437.

The product of its (nonzero) digits is 57153600, while the sum is 67.

The spelling of 1291879574059 in words is "one trillion, two hundred ninety-one billion, eight hundred seventy-nine million, five hundred seventy-four thousand, fifty-nine".