1052009116121 has 4 divisors (see below), whose sum is σ = 1052103249972. Its totient is φ = 1051914982272.

The previous prime is 1052009116097. The next prime is 1052009116127. The reversal of 1052009116121 is 1216119002501.

1052009116121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 924220740496 + 127788375625 = 961364^2 + 357475^2 .

It is a cyclic number.

It is not a de Polignac number, because 1052009116121 - 2¹⁸ = 1052008853977 is a prime.

It is a super-2 number, since 2×1052009116121² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1052009116127) 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, 47050160 + ... + 47072513.

It is an arithmetic number, because the mean of its divisors is an integer number (263025812493).

Almost surely, 2^{1052009116121} is an apocalyptic number.

It is an amenable number.

1052009116121 is a deficient number, since it is larger than the sum of its proper divisors (94133851).

1052009116121 is an equidigital number, since it uses as much as digits as its factorization.

1052009116121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94133850.

The product of its (nonzero) digits is 1080, while the sum is 29.

The spelling of 1052009116121 in words is "one trillion, fifty-two billion, nine million, one hundred sixteen thousand, one hundred twenty-one".