1054928247409 has 3 divisors (see below), whose sum is σ = 1054929274507. Its totient is φ = 1054927220312.

The previous prime is 1054928247389. The next prime is 1054928247473. The reversal of 1054928247409 is 9047428294501.

The square root of 1054928247409 is 1027097.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 355818215025 + 699110032384 = 596505^2 + 836128^2 .

It is not a de Polignac number, because 1054928247409 - 2¹¹ = 1054928245361 is a prime.

It is a super-2 number, since 2×1054928247409² (a number of 25 digits) contains 22 as substring.

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 1054928247409.

It is not an unprimeable number, because it can be changed into a prime (1054928242409) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 513549 + ... + 1540645.

Almost surely, 2^{1054928247409} is an apocalyptic number.

1054928247409 is the 1027097-th square number.

1054928247409 is the 513549-th centered octagonal number.

It is an amenable number.

1054928247409 is a deficient number, since it is larger than the sum of its proper divisors (1027098).

1054928247409 is an frugal number, since it uses more digits than its factorization.

1054928247409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2054194 (or 1027097 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 55.

The spelling of 1054928247409 in words is "one trillion, fifty-four billion, nine hundred twenty-eight million, two hundred forty-seven thousand, four hundred nine".