1375042271 has 2 divisors, whose sum is σ = 1375042272. Its totient is φ = 1375042270.

The previous prime is 1375042247. The next prime is 1375042301. The reversal of 1375042271 is 1722405731.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1375042271 - 2¹⁰ = 1375041247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1375042241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 687521135 + 687521136.

It is an arithmetic number, because the mean of its divisors is an integer number (687521136).

Almost surely, 2^1375042271 is an apocalyptic number.

1375042271 is a deficient number, since it is larger than the sum of its proper divisors (1).

1375042271 is an equidigital number, since it uses as much as digits as its factorization.

1375042271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 1375042271 is about 37081.5624131454. The cubic root of 1375042271 is about 1112.0014403027.

The spelling of 1375042271 in words is "one billion, three hundred seventy-five million, forty-two thousand, two hundred seventy-one".