1120610670921 has 81 divisors (see below), whose sum is σ = 1956299760909. Its totient is φ = 640005971976.

The previous prime is 1120610670847. The next prime is 1120610670929. The reversal of 1120610670921 is 1290760160211.

The square root of 1120610670921 is 1058589.

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

1120610670921 is a `hidden beast` number, since 1 + 12 + 0 + 610 + 6 + 7 + 0 + 9 + 21 = 666.

It is a tau number, because it is divible by the number of its divisors (81).

It is not a de Polignac number, because 1120610670921 - 2⁷ = 1120610670793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1120610670929) 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 80 ways as a sum of consecutive naturals, for example, 600219030 + ... + 600220896.

Almost surely, 2^{1120610670921} is an apocalyptic number.

1120610670921 is the 1058589-th square number.

1120610670921 is the 529295-th centered octagonal number.

It is an amenable number.

1120610670921 is a deficient number, since it is larger than the sum of its proper divisors (835689089988).

1120610670921 is an frugal number, since it uses more digits than its factorization.

1120610670921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3772 (or 1877 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

Multiplying 1120610670921 by its sum of digits (36), we get a square (40341984153156 = 6351534²).

The spelling of 1120610670921 in words is "one trillion, one hundred twenty billion, six hundred ten million, six hundred seventy thousand, nine hundred twenty-one".