80258121 has 10 divisors (see below), whose sum is σ = 119891882. Its totient is φ = 53505360.

The previous prime is 80258119. The next prime is 80258149. The reversal of 80258121 is 12185208.

80258121 is a `hidden beast` number, since 80 + 2 + 581 + 2 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 77633721 + 2624400 = 8811^2 + 1620^2 .

It is not a de Polignac number, because 80258121 - 2¹ = 80258119 is a prime.

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 (80258111) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 495340 + ... + 495501.

Almost surely, 2^80258121 is an apocalyptic number.

80258121 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

It is an amenable number.

80258121 is a deficient number, since it is larger than the sum of its proper divisors (39633761).

80258121 is an equidigital number, since it uses as much as digits as its factorization.

80258121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990853 (or 990844 counting only the distinct ones).

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

The square root of 80258121 is about 8958.6896921369. The cubic root of 80258121 is about 431.3498611842.

The spelling of 80258121 in words is "eighty million, two hundred fifty-eight thousand, one hundred twenty-one".