1297954361284 has 81 divisors (see below), whose sum is σ = 2789301315087. Its totient is φ = 526865946768.

The previous prime is 1297954361273. The next prime is 1297954361329. The reversal of 1297954361284 is 4821634597921.

The square root of 1297954361284 is 1139278.

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

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, 303045807 + ... + 303050089.

Almost surely, 2^{1297954361284} is an apocalyptic number.

1297954361284 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1297954361284 is the 1139278-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1297954361284

1297954361284 is an abundant number, since it is smaller than the sum of its proper divisors (1491346953803).

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

1297954361284 is an frugal number, since it uses more digits than its factorization.

1297954361284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8622 (or 4311 counting only the distinct ones).

The product of its digits is 26127360, while the sum is 61.

The spelling of 1297954361284 in words is "one trillion, two hundred ninety-seven billion, nine hundred fifty-four million, three hundred sixty-one thousand, two hundred eighty-four".