126626 has 4 divisors (see below), whose sum is σ = 189942. Its totient is φ = 63312.

The previous prime is 126613. The next prime is 126631. The reversal of 126626 is 626621.

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

It can be written as a sum of positive squares in only one way, i.e., 87025 + 39601 = 295^2 + 199^2 .

It is a plaindrome in base 15.

It is an unprimeable number.

126626 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31655 + ... + 31658.

2¹²⁶⁶²⁶ is an apocalyptic number.

126626 is a deficient number, since it is larger than the sum of its proper divisors (63316).

126626 is an equidigital number, since it uses as much as digits as its factorization.

126626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63315.

The product of its digits is 864, while the sum is 23.

The square root of 126626 is about 355.8454720802. The cubic root of 126626 is about 50.2158666902.

The spelling of 126626 in words is "one hundred twenty-six thousand, six hundred twenty-six".