1075270643 has 2 divisors, whose sum is σ = 1075270644. Its totient is φ = 1075270642.

The previous prime is 1075270639. The next prime is 1075270661. The reversal of 1075270643 is 3460725701.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1075270643 - 2² = 1075270639 is a prime.

It is not a weakly prime, because it can be changed into another prime (1075270843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 537635321 + 537635322.

It is an arithmetic number, because the mean of its divisors is an integer number (537635322).

Almost surely, 2^1075270643 is an apocalyptic number.

1075270643 is a deficient number, since it is larger than the sum of its proper divisors (1).

1075270643 is an equidigital number, since it uses as much as digits as its factorization.

1075270643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 1075270643 is about 32791.3196288286. The cubic root of 1075270643 is about 1024.4857679952.

The spelling of 1075270643 in words is "one billion, seventy-five million, two hundred seventy thousand, six hundred forty-three".