1297196719560 has 576 divisors, whose sum is σ = 5022557280000. Its totient is φ = 289431926784.

The previous prime is 1297196719517. The next prime is 1297196719561. The reversal of 1297196719560 is 659176917921.

1297196719560 is a `hidden beast` number, since 1 + 2 + 9 + 7 + 1 + 9 + 67 + 1 + 9 + 560 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (1297196719561) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 124021611 + ... + 124032069.

It is an arithmetic number, because the mean of its divisors is an integer number (8719717500).

Almost surely, 2^{1297196719560} is an apocalyptic number.

1297196719560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1297196719560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2511278640000).

1297196719560 is an abundant number, since it is smaller than the sum of its proper divisors (3725360560440).

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

1297196719560 is a wasteful number, since it uses less digits than its factorization.

1297196719560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10658 (or 10644 counting only the distinct ones).

The product of its (nonzero) digits is 12859560, while the sum is 63.

The spelling of 1297196719560 in words is "one trillion, two hundred ninety-seven billion, one hundred ninety-six million, seven hundred nineteen thousand, five hundred sixty".