126085169 has 4 divisors (see below), whose sum is σ = 144097344. Its totient is φ = 108072996.

The previous prime is 126085147. The next prime is 126085177. The reversal of 126085169 is 961580621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 126085169 - 2⁸ = 126084913 is a prime.

It is a super-2 number, since 2×126085169² = 31794939683517122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (126085139) 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 in 3 ways as a sum of consecutive naturals, for example, 9006077 + ... + 9006090.

It is an arithmetic number, because the mean of its divisors is an integer number (36024336).

Almost surely, 2^126085169 is an apocalyptic number.

It is an amenable number.

126085169 is a deficient number, since it is larger than the sum of its proper divisors (18012175).

126085169 is an equidigital number, since it uses as much as digits as its factorization.

126085169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18012174.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 126085169 is about 11228.7652482363. The cubic root of 126085169 is about 501.4427250847.

The spelling of 126085169 in words is "one hundred twenty-six million, eighty-five thousand, one hundred sixty-nine".