108912971 has 2 divisors, whose sum is σ = 108912972. Its totient is φ = 108912970.

The previous prime is 108912967. The next prime is 108912983. The reversal of 108912971 is 179219801.

It is a weak prime.

It is an emirp because it is prime and its reverse (179219801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 108912971 - 2² = 108912967 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (108912901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54456485 + 54456486.

It is an arithmetic number, because the mean of its divisors is an integer number (54456486).

Almost surely, 2^108912971 is an apocalyptic number.

108912971 is a deficient number, since it is larger than the sum of its proper divisors (1).

108912971 is an equidigital number, since it uses as much as digits as its factorization.

108912971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 38.

The square root of 108912971 is about 10436.1377434375. The cubic root of 108912971 is about 477.5584512202.

The spelling of 108912971 in words is "one hundred eight million, nine hundred twelve thousand, nine hundred seventy-one".