1307068078821 has 32 divisors (see below), whose sum is σ = 1773559307520. Its totient is φ = 856106397696.

The previous prime is 1307068078819. The next prime is 1307068078829. The reversal of 1307068078821 is 1288708607031.

It is not a de Polignac number, because 1307068078821 - 2¹ = 1307068078819 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1307068078829) 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, 198729885 + ... + 198736461.

It is an arithmetic number, because the mean of its divisors is an integer number (55423728360).

Almost surely, 2^{1307068078821} is an apocalyptic number.

It is an amenable number.

1307068078821 is a deficient number, since it is larger than the sum of its proper divisors (466491228699).

1307068078821 is a wasteful number, since it uses less digits than its factorization.

1307068078821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11293.

The product of its (nonzero) digits is 903168, while the sum is 51.

The spelling of 1307068078821 in words is "one trillion, three hundred seven billion, sixty-eight million, seventy-eight thousand, eight hundred twenty-one".