1297001299 has 12 divisors (see below), whose sum is σ = 1428553000. Its totient is φ = 1176674400.

The previous prime is 1297001287. The next prime is 1297001317. The reversal of 1297001299 is 9921007921.

It is a happy number.

It is not a de Polignac number, because 1297001299 - 2⁵ = 1297001267 is a prime.

It is a super-4 number, since 4×1297001299⁴ (a number of 38 digits) contains 4444 as substring.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1297001099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49639 + ... + 71119.

Almost surely, 2^1297001299 is an apocalyptic number.

1297001299 is a deficient number, since it is larger than the sum of its proper divisors (131551701).

1297001299 is a wasteful number, since it uses less digits than its factorization.

1297001299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22002 (or 21991 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 40.

The square root of 1297001299 is about 36013.9042454439. The cubic root of 1297001299 is about 1090.5530675283.

The spelling of 1297001299 in words is "one billion, two hundred ninety-seven million, one thousand, two hundred ninety-nine".