1054507121728 has 28 divisors (see below), whose sum is σ = 2092802552512. Its totient is φ = 527186793600.

The previous prime is 1054507121699. The next prime is 1054507121729. The reversal of 1054507121728 is 8271217054501.

It is a happy number.

It is a super-3 number, since 3×1054507121728³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (1054507121729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 531948 + ... + 1546603.

It is an arithmetic number, because the mean of its divisors is an integer number (74742948304).

Almost surely, 2^{1054507121728} is an apocalyptic number.

It is an amenable number.

1054507121728 is a deficient number, since it is larger than the sum of its proper divisors (1038295430784).

1054507121728 is an equidigital number, since it uses as much as digits as its factorization.

1054507121728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2086490 (or 2086480 counting only the distinct ones).

The product of its (nonzero) digits is 156800, while the sum is 43.

The spelling of 1054507121728 in words is "one trillion, fifty-four billion, five hundred seven million, one hundred twenty-one thousand, seven hundred twenty-eight".