80049121 has 4 divisors (see below), whose sum is σ = 81243952. Its totient is φ = 78854292.

The previous prime is 80049113. The next prime is 80049149. The reversal of 80049121 is 12194008.

It is a happy number.

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 80049121 - 2³ = 80049113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80049191) 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, 597315 + ... + 597448.

It is an arithmetic number, because the mean of its divisors is an integer number (20310988).

Almost surely, 2^80049121 is an apocalyptic number.

It is an amenable number.

80049121 is a deficient number, since it is larger than the sum of its proper divisors (1194831).

80049121 is a wasteful number, since it uses less digits than its factorization.

80049121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1194830.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 80049121 is about 8947.0174359951. The cubic root of 80049121 is about 430.9751099513.

The spelling of 80049121 in words is "eighty million, forty-nine thousand, one hundred twenty-one".