126311927 has 4 divisors (see below), whose sum is σ = 144356496. Its totient is φ = 108267360.

The previous prime is 126311923. The next prime is 126311947. The reversal of 126311927 is 729113621.

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 126311927 - 2² = 126311923 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 126311893 and 126311902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126311923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9022274 + ... + 9022287.

It is an arithmetic number, because the mean of its divisors is an integer number (36089124).

Almost surely, 2^126311927 is an apocalyptic number.

126311927 is a deficient number, since it is larger than the sum of its proper divisors (18044569).

126311927 is an equidigital number, since it uses as much as digits as its factorization.

126311927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18044568.

The product of its digits is 4536, while the sum is 32.

The square root of 126311927 is about 11238.8579046093. The cubic root of 126311927 is about 501.7431517815.

The spelling of 126311927 in words is "one hundred twenty-six million, three hundred eleven thousand, nine hundred twenty-seven".