112179391 has 2 divisors, whose sum is σ = 112179392. Its totient is φ = 112179390.

The previous prime is 112179383. The next prime is 112179407. The reversal of 112179391 is 193971211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 112179391 - 2³ = 112179383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112179341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56089695 + 56089696.

It is an arithmetic number, because the mean of its divisors is an integer number (56089696).

Almost surely, 2^112179391 is an apocalyptic number.

112179391 is a deficient number, since it is larger than the sum of its proper divisors (1).

112179391 is an equidigital number, since it uses as much as digits as its factorization.

112179391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3402, while the sum is 34.

The square root of 112179391 is about 10591.4772812861. The cubic root of 112179391 is about 482.2856714062.

The spelling of 112179391 in words is "one hundred twelve million, one hundred seventy-nine thousand, three hundred ninety-one".