1121984024072 has 36 divisors (see below), whose sum is σ = 2115565903815. Its totient is φ = 557850731200.

The previous prime is 1121984024069. The next prime is 1121984024099. The reversal of 1121984024072 is 2704204891211.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 5 ways, for example, as 727155274756 + 394828749316 = 852734^2 + 628354^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=748994.

It is a super-2 number, since 2×1121984024072² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 590206322 + ... + 590208222.

Almost surely, 2^{1121984024072} is an apocalyptic number.

It is an amenable number.

1121984024072 is a deficient number, since it is larger than the sum of its proper divisors (993581879743).

1121984024072 is an frugal number, since it uses more digits than its factorization.

1121984024072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4202 (or 2100 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 41.

The spelling of 1121984024072 in words is "one trillion, one hundred twenty-one billion, nine hundred eighty-four million, twenty-four thousand, seventy-two".