1270928190823 has 2 divisors, whose sum is σ = 1270928190824. Its totient is φ = 1270928190822.

The previous prime is 1270928190817. The next prime is 1270928190877. The reversal of 1270928190823 is 3280918290721.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1270928190823 - 2¹³ = 1270928182631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1270928190893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 635464095411 + 635464095412.

It is an arithmetic number, because the mean of its divisors is an integer number (635464095412).

Almost surely, 2^{1270928190823} is an apocalyptic number.

1270928190823 is a deficient number, since it is larger than the sum of its proper divisors (1).

1270928190823 is an equidigital number, since it uses as much as digits as its factorization.

1270928190823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 870912, while the sum is 52.

The spelling of 1270928190823 in words is "one trillion, two hundred seventy billion, nine hundred twenty-eight million, one hundred ninety thousand, eight hundred twenty-three".