1052105621284 has 27 divisors (see below), whose sum is σ = 1885156920507. Its totient is φ = 513775944024.

The previous prime is 1052105621251. The next prime is 1052105621293. The reversal of 1052105621284 is 4821265012501.

The square root of 1052105621284 is 1025722.

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

It is a super-2 number, since 2×1052105621284² (a number of 25 digits) contains 22 as substring.

It is a Duffinian 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 8 ways as a sum of consecutive naturals, for example, 88206129 + ... + 88218055.

Almost surely, 2^{1052105621284} is an apocalyptic number.

1052105621284 is the 1025722-nd square number.

It is an amenable number.

1052105621284 is a deficient number, since it is larger than the sum of its proper divisors (833051299223).

1052105621284 is an frugal number, since it uses more digits than its factorization.

1052105621284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23944 (or 11972 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 37.

The spelling of 1052105621284 in words is "one trillion, fifty-two billion, one hundred five million, six hundred twenty-one thousand, two hundred eighty-four".