80567121 has 4 divisors (see below), whose sum is σ = 107422832. Its totient is φ = 53711412.

The previous prime is 80567119. The next prime is 80567129. The reversal of 80567121 is 12176508.

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 not a de Polignac number, because 80567121 - 2¹ = 80567119 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a zygodrome in base 6.

It is not an unprimeable number, because it can be changed into a prime (80567129) 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, 13427851 + ... + 13427856.

It is an arithmetic number, because the mean of its divisors is an integer number (26855708).

Almost surely, 2^80567121 is an apocalyptic number.

It is an amenable number.

80567121 is a deficient number, since it is larger than the sum of its proper divisors (26855711).

80567121 is a wasteful number, since it uses less digits than its factorization.

80567121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26855710.

The product of its (nonzero) digits is 3360, while the sum is 30.

The square root of 80567121 is about 8975.9189501688. The cubic root of 80567121 is about 431.9027290857.

The spelling of 80567121 in words is "eighty million, five hundred sixty-seven thousand, one hundred twenty-one".