80285121 has 32 divisors (see below), whose sum is σ = 136390400. Its totient is φ = 45722880.

The previous prime is 80285113. The next prime is 80285123. The reversal of 80285121 is 12158208.

It is not a de Polignac number, because 80285121 - 2³ = 80285113 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (80285123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79065 + ... + 80073.

It is an arithmetic number, because the mean of its divisors is an integer number (4262200).

Almost surely, 2^80285121 is an apocalyptic number.

It is an amenable number.

80285121 is a deficient number, since it is larger than the sum of its proper divisors (56105279).

80285121 is a wasteful number, since it uses less digits than its factorization.

80285121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1446 (or 1440 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

The square root of 80285121 is about 8960.1964822207. The cubic root of 80285121 is about 431.3982265514.

The spelling of 80285121 in words is "eighty million, two hundred eighty-five thousand, one hundred twenty-one".