1297004497 has 6 divisors (see below), whose sum is σ = 1343271878. Its totient is φ = 1252279392.

The previous prime is 1297004491. The next prime is 1297004503. The reversal of 1297004497 is 7944007921.

It is an interprime number because it is at equal distance from previous prime (1297004491) and next prime (1297004503).

It can be written as a sum of positive squares in 3 ways, for example, as 293128641 + 1003875856 = 17121^2 + 31684^2 .

It is not a de Polignac number, because 1297004497 - 2⁷ = 1297004369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1297004491) 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, 770268 + ... + 771949.

Almost surely, 2^1297004497 is an apocalyptic number.

It is an amenable number.

1297004497 is a deficient number, since it is larger than the sum of its proper divisors (46267381).

1297004497 is an equidigital number, since it uses as much as digits as its factorization.

1297004497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1542275 (or 1542246 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 43.

The square root of 1297004497 is about 36013.9486449348. The cubic root of 1297004497 is about 1090.5539638486.

The spelling of 1297004497 in words is "one billion, two hundred ninety-seven million, four thousand, four hundred ninety-seven".