126545169 has 8 divisors (see below), whose sum is σ = 169052832. Its totient is φ = 84200480.

The previous prime is 126545137. The next prime is 126545179. The reversal of 126545169 is 961545621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 126545169 - 2⁵ = 126545137 is a prime.

It is a super-2 number, since 2×126545169² = 32027359594477122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (126545179) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38919 + ... + 42044.

It is an arithmetic number, because the mean of its divisors is an integer number (21131604).

Almost surely, 2^126545169 is an apocalyptic number.

It is an amenable number.

126545169 is a deficient number, since it is larger than the sum of its proper divisors (42507663).

126545169 is an equidigital number, since it uses as much as digits as its factorization.

126545169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81487.

The product of its digits is 64800, while the sum is 39.

The square root of 126545169 is about 11249.2297069622. The cubic root of 126545169 is about 502.0517940983.

The spelling of 126545169 in words is "one hundred twenty-six million, five hundred forty-five thousand, one hundred sixty-nine".