112481909 has 2 divisors, whose sum is σ = 112481910. Its totient is φ = 112481908.

The previous prime is 112481839. The next prime is 112481947. The reversal of 112481909 is 909184211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82264900 + 30217009 = 9070^2 + 5497^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112481909 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 (112481959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56240954 + 56240955.

It is an arithmetic number, because the mean of its divisors is an integer number (56240955).

Almost surely, 2^112481909 is an apocalyptic number.

It is an amenable number.

112481909 is a deficient number, since it is larger than the sum of its proper divisors (1).

112481909 is an equidigital number, since it uses as much as digits as its factorization.

112481909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 35.

The square root of 112481909 is about 10605.7488655917. The cubic root of 112481909 is about 482.7188143698.

The spelling of 112481909 in words is "one hundred twelve million, four hundred eighty-one thousand, nine hundred nine".