126943927 has 4 divisors (see below), whose sum is σ = 138484296. Its totient is φ = 115403560.

The previous prime is 126943871. The next prime is 126943939. The reversal of 126943927 is 729349621.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 126943927 - 2¹⁵ = 126911159 is a prime.

It is a super-2 number, since 2×126943927² = 32229521204362658, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126943967) 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, 5770168 + ... + 5770189.

It is an arithmetic number, because the mean of its divisors is an integer number (34621074).

Almost surely, 2^126943927 is an apocalyptic number.

126943927 is a deficient number, since it is larger than the sum of its proper divisors (11540369).

126943927 is a wasteful number, since it uses less digits than its factorization.

126943927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11540368.

The product of its digits is 163296, while the sum is 43.

The square root of 126943927 is about 11266.9395578391. The cubic root of 126943927 is about 502.5785816398.

The spelling of 126943927 in words is "one hundred twenty-six million, nine hundred forty-three thousand, nine hundred twenty-seven".