112609729 has 2 divisors, whose sum is σ = 112609730. Its totient is φ = 112609728.

The previous prime is 112609723. The next prime is 112609787. The reversal of 112609729 is 927906211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57032704 + 55577025 = 7552^2 + 7455^2 .

It is a cyclic number.

It is not a de Polignac number, because 112609729 - 2²⁵ = 79055297 is a prime.

It is not a weakly prime, because it can be changed into another prime (112609723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56304864 + 56304865.

It is an arithmetic number, because the mean of its divisors is an integer number (56304865).

Almost surely, 2^112609729 is an apocalyptic number.

It is an amenable number.

112609729 is a deficient number, since it is larger than the sum of its proper divisors (1).

112609729 is an equidigital number, since it uses as much as digits as its factorization.

112609729 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 112609729 is about 10611.7731317627. The cubic root of 112609729 is about 482.9015926867.

The spelling of 112609729 in words is "one hundred twelve million, six hundred nine thousand, seven hundred twenty-nine".