1042254555120 has 160 divisors (see below), whose sum is σ = 3746074521600. Its totient is φ = 265850424576.

The previous prime is 1042254555053. The next prime is 1042254555197. The reversal of 1042254555120 is 215554522401.

1042254555120 is a `hidden beast` number, since 1 + 0 + 42 + 2 + 5 + 45 + 551 + 20 = 666.

It is a super-3 number, since 3×1042254555120³ (a number of 37 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 31 ways as a sum of consecutive naturals, for example, 10440000 + ... + 10539359.

It is an arithmetic number, because the mean of its divisors is an integer number (23412965760).

Almost surely, 2^{1042254555120} is an apocalyptic number.

1042254555120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1042254555120 is an abundant number, since it is smaller than the sum of its proper divisors (2703819966480).

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

1042254555120 is a wasteful number, since it uses less digits than its factorization.

1042254555120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20979404 (or 20979392 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 36.

The spelling of 1042254555120 in words is "one trillion, forty-two billion, two hundred fifty-four million, five hundred fifty-five thousand, one hundred twenty".