2852126721 has 12 divisors (see below), whose sum is σ = 4272321872. Its totient is φ = 1901417652.

The previous prime is 2852126659. The next prime is 2852126731. The reversal of 2852126721 is 1276212582.

It is a happy number.

It is not a de Polignac number, because 2852126721 - 2⁶ = 2852126657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2852126731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5868331 + ... + 5868816.

It is a Proth number, since it is equal to 85 ⋅ 2²⁵ + 1 and 85 < 2²⁵.

Almost surely, 2^2852126721 is an apocalyptic number.

It is an amenable number.

2852126721 is a deficient number, since it is larger than the sum of its proper divisors (1420195151).

2852126721 is an equidigital number, since it uses as much as digits as its factorization.

2852126721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11737162 (or 11737150 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 2852126721 is about 53405.3061127825. The cubic root of 2852126721 is about 1418.1525138949.

The spelling of 2852126721 in words is "two billion, eight hundred fifty-two million, one hundred twenty-six thousand, seven hundred twenty-one".