1246728220073 has 8 divisors (see below), whose sum is σ = 1427757988992. Its totient is φ = 1066429885536.

The previous prime is 1246728220007. The next prime is 1246728220141. The reversal of 1246728220073 is 3700228276421.

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 1246728220073 - 2⁸ = 1246728219817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1246728225073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182854940 + ... + 182861757.

It is an arithmetic number, because the mean of its divisors is an integer number (178469748624).

Almost surely, 2^{1246728220073} is an apocalyptic number.

It is an amenable number.

1246728220073 is a deficient number, since it is larger than the sum of its proper divisors (181029768919).

1246728220073 is an equidigital number, since it uses as much as digits as its factorization.

1246728220073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365717191.

The product of its (nonzero) digits is 451584, while the sum is 44.

The spelling of 1246728220073 in words is "one trillion, two hundred forty-six billion, seven hundred twenty-eight million, two hundred twenty thousand, seventy-three".