1297448953 has 8 divisors (see below), whose sum is σ = 1366398720. Its totient is φ = 1228565520.

The previous prime is 1297448947. The next prime is 1297448963. The reversal of 1297448953 is 3598447921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1297448953 - 2⁹ = 1297448441 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1297448953.

It is not an unprimeable number, because it can be changed into a prime (1297448923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26463 + ... + 57403.

It is an arithmetic number, because the mean of its divisors is an integer number (170799840).

Almost surely, 2^1297448953 is an apocalyptic number.

It is an amenable number.

1297448953 is a deficient number, since it is larger than the sum of its proper divisors (68949767).

1297448953 is a wasteful number, since it uses less digits than its factorization.

1297448953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33167.

The product of its digits is 2177280, while the sum is 52.

The square root of 1297448953 is about 36020.1187255123. The cubic root of 1297448953 is about 1090.6785195456.

The spelling of 1297448953 in words is "one billion, two hundred ninety-seven million, four hundred forty-eight thousand, nine hundred fifty-three".