1143976120128 has 84 divisors (see below), whose sum is σ = 3384775275648. Its totient is φ = 369024549120.

The previous prime is 1143976120121. The next prime is 1143976120169. The reversal of 1143976120128 is 8210216793411.

1143976120128 is a `hidden beast` number, since 1 + 1 + 4 + 3 + 9 + 7 + 612 + 0 + 1 + 28 = 666.

It is a super-2 number, since 2×1143976120128² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143976120121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32015526 + ... + 32051237.

Almost surely, 2^{1143976120128} is an apocalyptic number.

1143976120128 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1143976120128 is an abundant number, since it is smaller than the sum of its proper divisors (2240799155520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1143976120128 is a wasteful number, since it uses less digits than its factorization.

1143976120128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64066812 (or 64066799 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The spelling of 1143976120128 in words is "one trillion, one hundred forty-three billion, nine hundred seventy-six million, one hundred twenty thousand, one hundred twenty-eight".