1792281015121 has 9 divisors (see below), whose sum is σ = 1873626520521. Its totient is φ = 1714326300852.

The previous prime is 1792281015113. The next prime is 1792281015143. The reversal of 1792281015121 is 1215101822971.

It is a happy number.

The square root of 1792281015121 is 1338761.

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

It is not a de Polignac number, because 1792281015121 - 2³ = 1792281015113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1792281015191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 30762400 + ... + 30820606.

Almost surely, 2^{1792281015121} is an apocalyptic number.

1792281015121 is the 1338761-st square number.

1792281015121 is the 669381-st centered octagonal number.

It is an amenable number.

1792281015121 is a deficient number, since it is larger than the sum of its proper divisors (81345505400).

1792281015121 is an frugal number, since it uses more digits than its factorization.

1792281015121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116460 (or 58230 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 40.

The spelling of 1792281015121 in words is "one trillion, seven hundred ninety-two billion, two hundred eighty-one million, fifteen thousand, one hundred twenty-one".