1084745163121 has 3 divisors (see below), whose sum is σ = 1084746204633. Its totient is φ = 1084744121610.

The previous prime is 1084745163077. The next prime is 1084745163133. The reversal of 1084745163121 is 1213615474801.

The square root of 1084745163121 is 1041511.

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 not a de Polignac number, because 1084745163121 - 2²¹ = 1084743065969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1084745103121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 520756 + ... + 1562266.

It is an arithmetic number, because the mean of its divisors is an integer number (361582068211).

Almost surely, 2^{1084745163121} is an apocalyptic number.

1084745163121 is the 1041511-st square number.

1084745163121 is the 520756-th centered octagonal number.

It is an amenable number.

1084745163121 is a deficient number, since it is larger than the sum of its proper divisors (1041512).

1084745163121 is an frugal number, since it uses more digits than its factorization.

1084745163121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2083022 (or 1041511 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 43.

The spelling of 1084745163121 in words is "one trillion, eighty-four billion, seven hundred forty-five million, one hundred sixty-three thousand, one hundred twenty-one".