1001284412164 has 9 divisors (see below), whose sum is σ = 1752251223541. Its totient is φ = 500641205440.

The previous prime is 1001284412111. The next prime is 1001284412203. The reversal of 1001284412164 is 4612144821001.

The square root of 1001284412164 is 1000642.

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

It can be written as a sum of positive squares in only one way, i.e., 806838690564 + 194445721600 = 898242^2 + 440960^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1751124 + ... + 2251444.

Almost surely, 2^{1001284412164} is an apocalyptic number.

1001284412164 is the 1000642-nd square number.

It is an amenable number.

1001284412164 is a deficient number, since it is larger than the sum of its proper divisors (750966811377).

1001284412164 is an frugal number, since it uses more digits than its factorization.

1001284412164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000646 (or 500323 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 34.

The spelling of 1001284412164 in words is "one trillion, one billion, two hundred eighty-four million, four hundred twelve thousand, one hundred sixty-four".