80120971 has 8 divisors (see below), whose sum is σ = 92097504. Its totient is φ = 68277120.

The previous prime is 80120969. The next prime is 80120981. The reversal of 80120971 is 17902108.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 80120971 - 2¹ = 80120969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80120941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31870 + ... + 34291.

It is an arithmetic number, because the mean of its divisors is an integer number (11512188).

Almost surely, 2^80120971 is an apocalyptic number.

80120971 is a deficient number, since it is larger than the sum of its proper divisors (11976533).

80120971 is a wasteful number, since it uses less digits than its factorization.

80120971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66341.

The product of its (nonzero) digits is 1008, while the sum is 28.

The square root of 80120971 is about 8951.0318399612. The cubic root of 80120971 is about 431.1040153919.

The spelling of 80120971 in words is "eighty million, one hundred twenty thousand, nine hundred seventy-one".