1304984084881 has 3 divisors (see below), whose sum is σ = 1304985227241. Its totient is φ = 1304982942522.

The previous prime is 1304984084851. The next prime is 1304984084909. The reversal of 1304984084881 is 1884804894031.

The square root of 1304984084881 is 1142359.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a de Polignac number, because none of the positive numbers 2^k-1304984084881 is a prime.

It is a super-2 number, since 2×1304984084881² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1304984084851) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 571180 + ... + 1713538.

It is an arithmetic number, because the mean of its divisors is an integer number (434995075747).

Almost surely, 2^{1304984084881} is an apocalyptic number.

1304984084881 is the 1142359-th square number.

1304984084881 is the 571180-th centered octagonal number.

It is an amenable number.

1304984084881 is a deficient number, since it is larger than the sum of its proper divisors (1142360).

1304984084881 is an frugal number, since it uses more digits than its factorization.

1304984084881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2284718 (or 1142359 counting only the distinct ones).

The product of its (nonzero) digits is 7077888, while the sum is 58.

The spelling of 1304984084881 in words is "one trillion, three hundred four billion, nine hundred eighty-four million, eighty-four thousand, eight hundred eighty-one".