110129489 has 2 divisors, whose sum is σ = 110129490. Its totient is φ = 110129488.

The previous prime is 110129477. The next prime is 110129521. The reversal of 110129489 is 984921011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73017025 + 37112464 = 8545^2 + 6092^2 .

It is a cyclic number.

It is not a de Polignac number, because 110129489 - 2⁸ = 110129233 is a prime.

It is a super-2 number, since 2×110129489² = 24257008694802242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (110129419) 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, 55064744 + 55064745.

It is an arithmetic number, because the mean of its divisors is an integer number (55064745).

Almost surely, 2^110129489 is an apocalyptic number.

It is an amenable number.

110129489 is a deficient number, since it is larger than the sum of its proper divisors (1).

110129489 is an equidigital number, since it uses as much as digits as its factorization.

110129489 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 110129489 is about 10494.2598119162. The cubic root of 110129489 is about 479.3299229401.

The spelling of 110129489 in words is "one hundred ten million, one hundred twenty-nine thousand, four hundred eighty-nine".