83266121 has 4 divisors (see below), whose sum is σ = 85297044. Its totient is φ = 81235200.

The previous prime is 83266091. The next prime is 83266123. The reversal of 83266121 is 12166238.

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 49857721 + 33408400 = 7061^2 + 5780^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83266121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83266123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1015400 + ... + 1015481.

It is an arithmetic number, because the mean of its divisors is an integer number (21324261).

Almost surely, 2^83266121 is an apocalyptic number.

It is an amenable number.

83266121 is a deficient number, since it is larger than the sum of its proper divisors (2030923).

83266121 is a wasteful number, since it uses less digits than its factorization.

83266121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2030922.

The product of its digits is 3456, while the sum is 29.

The square root of 83266121 is about 9125.0271780417. The cubic root of 83266121 is about 436.6727700200.

The spelling of 83266121 in words is "eighty-three million, two hundred sixty-six thousand, one hundred twenty-one".