1297020321424 has 45 divisors (see below), whose sum is σ = 2627199396003. Its totient is φ = 620263956576.

The previous prime is 1297020321419. The next prime is 1297020321431. The reversal of 1297020321424 is 4241230207921.

The square root of 1297020321424 is 1138868.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 104769667 + ... + 104782045.

Almost surely, 2^{1297020321424} is an apocalyptic number.

1297020321424 is the 1138868-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1297020321424

1297020321424 is an abundant number, since it is smaller than the sum of its proper divisors (1330179074579).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1297020321424 is an frugal number, since it uses more digits than its factorization.

1297020321424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24812 (or 12404 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The spelling of 1297020321424 in words is "one trillion, two hundred ninety-seven billion, twenty million, three hundred twenty-one thousand, four hundred twenty-four".