1073128671 has 6 divisors (see below), whose sum is σ = 1550074760. Its totient is φ = 715419108.

The previous prime is 1073128669. The next prime is 1073128681. The reversal of 1073128671 is 1768213701.

It is not a de Polignac number, because 1073128671 - 2¹ = 1073128669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1073128601) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 59618251 + ... + 59618268.

Almost surely, 2^1073128671 is an apocalyptic number.

1073128671 is a deficient number, since it is larger than the sum of its proper divisors (476946089).

1073128671 is a wasteful number, since it uses less digits than its factorization.

1073128671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119236525 (or 119236522 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 1073128671 is about 32758.6426916623. The cubic root of 1073128671 is about 1023.8050467970.

The spelling of 1073128671 in words is "one billion, seventy-three million, one hundred twenty-eight thousand, six hundred seventy-one".