80051121 has 12 divisors (see below), whose sum is σ = 116654148. Its totient is φ = 52894464.

The previous prime is 80051117. The next prime is 80051149. The reversal of 80051121 is 12115008.

It can be written as a sum of positive squares in 2 ways, for example, as 21986721 + 58064400 = 4689^2 + 7620^2 .

It is not a de Polignac number, because 80051121 - 2² = 80051117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80051094 and 80051103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80051821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38340 + ... + 40373.

It is an arithmetic number, because the mean of its divisors is an integer number (9721179).

Almost surely, 2^80051121 is an apocalyptic number.

It is an amenable number.

80051121 is a deficient number, since it is larger than the sum of its proper divisors (36603027).

80051121 is a wasteful number, since it uses less digits than its factorization.

80051121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78832 (or 78829 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 18.

The square root of 80051121 is about 8947.1292043873. The cubic root of 80051121 is about 430.9786991768.

Adding to 80051121 its reverse (12115008), we get a palindrome (92166129).

The spelling of 80051121 in words is "eighty million, fifty-one thousand, one hundred twenty-one".