1120026405969 has 9 divisors (see below), whose sum is σ = 1617820505769. Its totient is φ = 746682154020.

The previous prime is 1120026405947. The next prime is 1120026405989. The reversal of 1120026405969 is 9695046200211.

The square root of 1120026405969 is 1058313.

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

1120026405969 is a `hidden beast` number, since 1 + 12 + 0 + 0 + 2 + 6 + 40 + 596 + 9 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 1120026405969 - 2¹⁷ = 1120026274897 is a prime.

It is a super-2 number, since 2×1120026405969² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1120026405919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2998554 + ... + 3351324.

Almost surely, 2^{1120026405969} is an apocalyptic number.

1120026405969 is the 1058313-rd square number.

1120026405969 is the 529157-th centered octagonal number.

It is an amenable number.

1120026405969 is a deficient number, since it is larger than the sum of its proper divisors (497794099800).

1120026405969 is an frugal number, since it uses more digits than its factorization.

1120026405969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705548 (or 352774 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The spelling of 1120026405969 in words is "one trillion, one hundred twenty billion, twenty-six million, four hundred five thousand, nine hundred sixty-nine".