126541169 has 4 divisors (see below), whose sum is σ = 126835200. Its totient is φ = 126247140.

The previous prime is 126541139. The next prime is 126541189. The reversal of 126541169 is 961145621.

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 126541169 - 2²⁰ = 125492593 is a prime.

It is a super-2 number, since 2×126541169² = 32025334903773122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126541109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146369 + ... + 147230.

It is an arithmetic number, because the mean of its divisors is an integer number (31708800).

Almost surely, 2^126541169 is an apocalyptic number.

It is an amenable number.

126541169 is a deficient number, since it is larger than the sum of its proper divisors (294031).

126541169 is an equidigital number, since it uses as much as digits as its factorization.

126541169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294030.

The product of its digits is 12960, while the sum is 35.

The square root of 126541169 is about 11249.0519156060. The cubic root of 126541169 is about 502.0465042128.

The spelling of 126541169 in words is "one hundred twenty-six million, five hundred forty-one thousand, one hundred sixty-nine".