112881971 has 2 divisors, whose sum is σ = 112881972. Its totient is φ = 112881970.

The previous prime is 112881941. The next prime is 112881991. The reversal of 112881971 is 179188211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 112881971 - 2¹⁰ = 112880947 is a prime.

It is a Chen prime.

It is equal to p_6458717 and since 112881971 and 6458717 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (112881911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56440985 + 56440986.

It is an arithmetic number, because the mean of its divisors is an integer number (56440986).

Almost surely, 2^112881971 is an apocalyptic number.

112881971 is a deficient number, since it is larger than the sum of its proper divisors (1).

112881971 is an equidigital number, since it uses as much as digits as its factorization.

112881971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 38.

The square root of 112881971 is about 10624.5927451362. The cubic root of 112881971 is about 483.2904291154.

The spelling of 112881971 in words is "one hundred twelve million, eight hundred eighty-one thousand, nine hundred seventy-one".