1297296001 has 4 divisors (see below), whose sum is σ = 1298466900. Its totient is φ = 1296125104.

The previous prime is 1297295941. The next prime is 1297296017. The reversal of 1297296001 is 1006927921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1006927921 = 15767 ⋅63863.

It can be written as a sum of positive squares in 2 ways, for example, as 153165376 + 1144130625 = 12376^2 + 33825^2 .

It is a cyclic number.

It is not a de Polignac number, because 1297296001 - 2²³ = 1288907393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1297296101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 583786 + ... + 586003.

It is an arithmetic number, because the mean of its divisors is an integer number (324616725).

Almost surely, 2^1297296001 is an apocalyptic number.

It is an amenable number.

1297296001 is a deficient number, since it is larger than the sum of its proper divisors (1170899).

1297296001 is a wasteful number, since it uses less digits than its factorization.

1297296001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1170898.

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 1297296001 is about 36017.9955161305. The cubic root of 1297296001 is about 1090.6356590240.

The spelling of 1297296001 in words is "one billion, two hundred ninety-seven million, two hundred ninety-six thousand, one".