1042123267854 has 48 divisors (see below), whose sum is σ = 2356770124800. Its totient is φ = 332177356368.

The previous prime is 1042123267841. The next prime is 1042123267961. The reversal of 1042123267854 is 4587623212401.

1042123267854 is a `hidden beast` number, since 104 + 212 + 326 + 7 + 8 + 5 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1119787 + ... + 1827065.

It is an arithmetic number, because the mean of its divisors is an integer number (49099377600).

Almost surely, 2^{1042123267854} is an apocalyptic number.

1042123267854 is an abundant number, since it is smaller than the sum of its proper divisors (1314646856946).

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

1042123267854 is a wasteful number, since it uses less digits than its factorization.

1042123267854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710869 (or 710866 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 1042123267854 in words is "one trillion, forty-two billion, one hundred twenty-three million, two hundred sixty-seven thousand, eight hundred fifty-four".