1042125446161 has 32 divisors (see below), whose sum is σ = 1169431458048. Its totient is φ = 923569489920.

The previous prime is 1042125446149. The next prime is 1042125446189. The reversal of 1042125446161 is 1616445212401.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1042125446161 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1042125446161.

It is not an unprimeable number, because it can be changed into a prime (1042125449161) 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 31 ways as a sum of consecutive naturals, for example, 9062155 + ... + 9176431.

It is an arithmetic number, because the mean of its divisors is an integer number (36544733064).

Almost surely, 2^{1042125446161} is an apocalyptic number.

It is an amenable number.

1042125446161 is a deficient number, since it is larger than the sum of its proper divisors (127306011887).

1042125446161 is a wasteful number, since it uses less digits than its factorization.

1042125446161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114681.

The product of its (nonzero) digits is 46080, while the sum is 37.

The spelling of 1042125446161 in words is "one trillion, forty-two billion, one hundred twenty-five million, four hundred forty-six thousand, one hundred sixty-one".