110642729 has 2 divisors, whose sum is σ = 110642730. Its totient is φ = 110642728.

The previous prime is 110642699. The next prime is 110642737. The reversal of 110642729 is 927246011.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99600400 + 11042329 = 9980^2 + 3323^2 .

It is a cyclic number.

It is not a de Polignac number, because 110642729 - 2¹⁶ = 110577193 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 110642695 and 110642704.

It is not a weakly prime, because it can be changed into another prime (110642789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55321364 + 55321365.

It is an arithmetic number, because the mean of its divisors is an integer number (55321365).

Almost surely, 2^110642729 is an apocalyptic number.

It is an amenable number.

110642729 is a deficient number, since it is larger than the sum of its proper divisors (1).

110642729 is an equidigital number, since it uses as much as digits as its factorization.

110642729 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 110642729 is about 10518.6847561851. The cubic root of 110642729 is about 480.0733814315.

The spelling of 110642729 in words is "one hundred ten million, six hundred forty-two thousand, seven hundred twenty-nine".