126427 has 4 divisors (see below), whose sum is σ = 144496. Its totient is φ = 108360.

The previous prime is 126421. The next prime is 126433. The reversal of 126427 is 724621.

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

It is an interprime number because it is at equal distance from previous prime (126421) and next prime (126433).

It is a de Polignac number, because none of the positive numbers 2^k-126427 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 126398 and 126407.

It is not an unprimeable number, because it can be changed into a prime (126421) 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, 9024 + ... + 9037.

It is an arithmetic number, because the mean of its divisors is an integer number (36124).

2¹²⁶⁴²⁷ is an apocalyptic number.

126427 is a deficient number, since it is larger than the sum of its proper divisors (18069).

126427 is an equidigital number, since it uses as much as digits as its factorization.

126427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18068.

The product of its digits is 672, while the sum is 22.

The square root of 126427 is about 355.5657463817. The cubic root of 126427 is about 50.1895471959.

The spelling of 126427 in words is "one hundred twenty-six thousand, four hundred twenty-seven".