1052772026021 has 2 divisors, whose sum is σ = 1052772026022. Its totient is φ = 1052772026020.

The previous prime is 1052772026017. The next prime is 1052772026027. The reversal of 1052772026021 is 1206202772501.

1052772026021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 749072940100 + 303699085921 = 865490^2 + 551089^2 .

It is a cyclic number.

It is not a de Polignac number, because 1052772026021 - 2² = 1052772026017 is a prime.

It is a super-2 number, since 2×1052772026021² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1052772026027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 526386013010 + 526386013011.

It is an arithmetic number, because the mean of its divisors is an integer number (526386013011).

Almost surely, 2^{1052772026021} is an apocalyptic number.

It is an amenable number.

1052772026021 is a deficient number, since it is larger than the sum of its proper divisors (1).

1052772026021 is an equidigital number, since it uses as much as digits as its factorization.

1052772026021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23520, while the sum is 35.

Adding to 1052772026021 its reverse (1206202772501), we get a palindrome (2258974798522).

The spelling of 1052772026021 in words is "one trillion, fifty-two billion, seven hundred seventy-two million, twenty-six thousand, twenty-one".