1125205054142 has 32 divisors (see below), whose sum is σ = 1840288300032. Its totient is φ = 512881650144.

The previous prime is 1125205054109. The next prime is 1125205054199. The reversal of 1125205054142 is 2414505025211.

It is a junction number, because it is equal to n+sod(n) for n = 1125205054099 and 1125205054108.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 410393 + ... + 1555259.

It is an arithmetic number, because the mean of its divisors is an integer number (57509009376).

Almost surely, 2^{1125205054142} is an apocalyptic number.

1125205054142 is a deficient number, since it is larger than the sum of its proper divisors (715083245890).

1125205054142 is a wasteful number, since it uses less digits than its factorization.

1125205054142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1145352.

The product of its (nonzero) digits is 16000, while the sum is 32.

The spelling of 1125205054142 in words is "one trillion, one hundred twenty-five billion, two hundred five million, fifty-four thousand, one hundred forty-two".