112320491 has 2 divisors, whose sum is σ = 112320492. Its totient is φ = 112320490.

The previous prime is 112320487. The next prime is 112320503. The reversal of 112320491 is 194023211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 112320491 - 2² = 112320487 is a prime.

It is not a weakly prime, because it can be changed into another prime (112310491) 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, 56160245 + 56160246.

It is an arithmetic number, because the mean of its divisors is an integer number (56160246).

Almost surely, 2^112320491 is an apocalyptic number.

112320491 is a deficient number, since it is larger than the sum of its proper divisors (1).

112320491 is an equidigital number, since it uses as much as digits as its factorization.

112320491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 112320491 is about 10598.1362040691. The cubic root of 112320491 is about 482.4877940839.

The spelling of 112320491 in words is "one hundred twelve million, three hundred twenty thousand, four hundred ninety-one".