1297503489 has 8 divisors (see below), whose sum is σ = 1758365632. Its totient is φ = 850821840.

The previous prime is 1297503443. The next prime is 1297503497. The reversal of 1297503489 is 9843057921.

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

It is not a de Polignac number, because 1297503489 - 2¹⁵ = 1297470721 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1297503289) 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 7 ways as a sum of consecutive naturals, for example, 3544909 + ... + 3545274.

It is an arithmetic number, because the mean of its divisors is an integer number (219795704).

Almost surely, 2^1297503489 is an apocalyptic number.

It is an amenable number.

1297503489 is a deficient number, since it is larger than the sum of its proper divisors (460862143).

1297503489 is an equidigital number, since it uses as much as digits as its factorization.

1297503489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7090247.

The product of its (nonzero) digits is 544320, while the sum is 48.

The square root of 1297503489 is about 36020.8757389378. The cubic root of 1297503489 is about 1090.6938009202.

The spelling of 1297503489 in words is "one billion, two hundred ninety-seven million, five hundred three thousand, four hundred eighty-nine".