126247 has 8 divisors (see below), whose sum is σ = 144000. Its totient is φ = 109560.

The previous prime is 126241. The next prime is 126257. The reversal of 126247 is 742621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 126247 - 2¹¹ = 124199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4 + ... + 502.

It is an arithmetic number, because the mean of its divisors is an integer number (18000).

2¹²⁶²⁴⁷ is an apocalyptic number.

126247 is a deficient number, since it is larger than the sum of its proper divisors (17753).

126247 is a wasteful number, since it uses less digits than its factorization.

126247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533.

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

The square root of 126247 is about 355.3125384784. The cubic root of 126247 is about 50.1657168186.

Adding to 126247 its reverse (742621), we get a palindrome (868868).

It can be divided in two parts, 126 and 247, that added together give a palindrome (373).

The spelling of 126247 in words is "one hundred twenty-six thousand, two hundred forty-seven".