1125921443188 has 12 divisors (see below), whose sum is σ = 1970370815392. Its totient is φ = 562958353080.

The previous prime is 1125921443131. The next prime is 1125921443203. The reversal of 1125921443188 is 8813441295211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 889231 + ... + 1744297.

Almost surely, 2^{1125921443188} is an apocalyptic number.

It is an amenable number.

1125921443188 is a deficient number, since it is larger than the sum of its proper divisors (844449372204).

1125921443188 is a wasteful number, since it uses less digits than its factorization.

1125921443188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1184262 (or 1184260 counting only the distinct ones).

The product of its digits is 552960, while the sum is 49.

The spelling of 1125921443188 in words is "one trillion, one hundred twenty-five billion, nine hundred twenty-one million, four hundred forty-three thousand, one hundred eighty-eight".