1297047573 has 40 divisors (see below), whose sum is σ = 1978011200. Its totient is φ = 846806400.

The previous prime is 1297047553. The next prime is 1297047599. The reversal of 1297047573 is 3757407921.

1297047573 is a `hidden beast` number, since 1 + 2 + 9 + 70 + 4 + 7 + 573 = 666.

It is not a de Polignac number, because 1297047573 - 2⁶ = 1297047509 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 (1297047523) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1079373 + ... + 1080573.

It is an arithmetic number, because the mean of its divisors is an integer number (49450280).

Almost surely, 2^1297047573 is an apocalyptic number.

It is an amenable number.

1297047573 is a deficient number, since it is larger than the sum of its proper divisors (680963627).

1297047573 is a wasteful number, since it uses less digits than its factorization.

1297047573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1479 (or 1470 counting only the distinct ones).

The product of its (nonzero) digits is 370440, while the sum is 45.

The square root of 1297047573 is about 36014.5466860267. The cubic root of 1297047573 is about 1090.5660368426.

The spelling of 1297047573 in words is "one billion, two hundred ninety-seven million, forty-seven thousand, five hundred seventy-three".