126805469 has 8 divisors (see below), whose sum is σ = 149595648. Its totient is φ = 105184080.

The previous prime is 126805447. The next prime is 126805489. The reversal of 126805469 is 964508621.

It is a happy number.

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 126805469 - 2⁸ = 126805213 is a prime.

It is a super-2 number, since 2×126805469² = 32159253936619922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126805489) 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, 291962 + ... + 292395.

It is an arithmetic number, because the mean of its divisors is an integer number (18699456).

Almost surely, 2^126805469 is an apocalyptic number.

It is an amenable number.

126805469 is a deficient number, since it is larger than the sum of its proper divisors (22790179).

126805469 is an equidigital number, since it uses as much as digits as its factorization.

126805469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584395.

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 126805469 is about 11260.7934445136. The cubic root of 126805469 is about 502.3957940069.

The spelling of 126805469 in words is "one hundred twenty-six million, eight hundred five thousand, four hundred sixty-nine".