1297029432384 has 189 divisors, whose sum is σ = 4325310267447. Its totient is φ = 370525171968.

The previous prime is 1297029432341. The next prime is 1297029432427. The reversal of 1297029432384 is 4832349207921.

It is a happy number.

The square root of 1297029432384 is 1138872.

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

1297029432384 is a `hidden beast` number, since 1 + 29 + 7 + 0 + 294 + 323 + 8 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (1297029432341) and next prime (1297029432427).

It is a super-2 number, since 2×1297029432384² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1297029432384.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 191327107 + ... + 191333885.

Almost surely, 2^{1297029432384} is an apocalyptic number.

1297029432384 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1297029432384 is the 1138872-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1297029432384

1297029432384 is an abundant number, since it is smaller than the sum of its proper divisors (3028280835063).

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

1297029432384 is an frugal number, since it uses more digits than its factorization.

1297029432384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13590 (or 6791 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 54.

The spelling of 1297029432384 in words is "one trillion, two hundred ninety-seven billion, twenty-nine million, four hundred thirty-two thousand, three hundred eighty-four".