80750121 has 4 divisors (see below), whose sum is σ = 107666832. Its totient is φ = 53833412.

The previous prime is 80750113. The next prime is 80750147. The reversal of 80750121 is 12105708.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 80750121 - 2³ = 80750113 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 80750091 and 80750100.

It is not an unprimeable number, because it can be changed into a prime (80750101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13458351 + ... + 13458356.

It is an arithmetic number, because the mean of its divisors is an integer number (26916708).

Almost surely, 2^80750121 is an apocalyptic number.

It is an amenable number.

80750121 is a deficient number, since it is larger than the sum of its proper divisors (26916711).

80750121 is a wasteful number, since it uses less digits than its factorization.

80750121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26916710.

The product of its (nonzero) digits is 560, while the sum is 24.

The square root of 80750121 is about 8986.1071104233. The cubic root of 80750121 is about 432.2294894789.

Adding to 80750121 its reverse (12105708), we get a palindrome (92855829).

The spelling of 80750121 in words is "eighty million, seven hundred fifty thousand, one hundred twenty-one".