1073318792121 has 27 divisors (see below), whose sum is σ = 1561367289573. Its totient is φ = 710496343800.

The previous prime is 1073318792113. The next prime is 1073318792123. The reversal of 1073318792121 is 1212978133701.

The square root of 1073318792121 is 1036011.

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

1073318792121 is a `hidden beast` number, since 107 + 331 + 8 + 7 + 92 + 121 = 666.

It is not a de Polignac number, because 1073318792121 - 2³ = 1073318792113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1073318792123) 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 26 ways as a sum of consecutive naturals, for example, 469311840 + ... + 469314126.

Almost surely, 2^{1073318792121} is an apocalyptic number.

1073318792121 is the 1036011-st square number.

1073318792121 is the 518006-th centered octagonal number.

It is an amenable number.

1073318792121 is a deficient number, since it is larger than the sum of its proper divisors (488048497452).

1073318792121 is an frugal number, since it uses more digits than its factorization.

1073318792121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4882 (or 2441 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 45.

The spelling of 1073318792121 in words is "one trillion, seventy-three billion, three hundred eighteen million, seven hundred ninety-two thousand, one hundred twenty-one".