126081369 has 12 divisors (see below), whose sum is σ = 182409136. Its totient is φ = 83919672.

The previous prime is 126081353. The next prime is 126081383. The reversal of 126081369 is 963180621.

126081369 is a `hidden beast` number, since 12 + 608 + 1 + 36 + 9 = 666.

It is not a de Polignac number, because 126081369 - 2⁴ = 126081353 is a prime.

It is a super-2 number, since 2×126081369² = 31793023217828322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126081269) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5107 + ... + 16680.

Almost surely, 2^126081369 is an apocalyptic number.

It is an amenable number.

126081369 is a deficient number, since it is larger than the sum of its proper divisors (56327767).

126081369 is a wasteful number, since it uses less digits than its factorization.

126081369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22436 (or 22433 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 126081369 is about 11228.5960386862. The cubic root of 126081369 is about 501.4376874806.

The spelling of 126081369 in words is "one hundred twenty-six million, eighty-one thousand, three hundred sixty-nine".