112891487 has 2 divisors, whose sum is σ = 112891488. Its totient is φ = 112891486.

The previous prime is 112891481. The next prime is 112891547. The reversal of 112891487 is 784198211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 112891487 - 2²⁶ = 45782623 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112891481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56445743 + 56445744.

It is an arithmetic number, because the mean of its divisors is an integer number (56445744).

Almost surely, 2^112891487 is an apocalyptic number.

112891487 is a deficient number, since it is larger than the sum of its proper divisors (1).

112891487 is an equidigital number, since it uses as much as digits as its factorization.

112891487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32256, while the sum is 41.

The square root of 112891487 is about 10625.0405646284. The cubic root of 112891487 is about 483.3040092660.

The spelling of 112891487 in words is "one hundred twelve million, eight hundred ninety-one thousand, four hundred eighty-seven".