126650 has 24 divisors (see below), whose sum is σ = 251100. Its totient is φ = 47360.

The previous prime is 126641. The next prime is 126653. The reversal of 126650 is 56621.

126650 is nontrivially palindromic in base 13.

It can be written as a sum of positive squares in 6 ways, for example, as 37249 + 89401 = 193^2 + 299^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126653) by changing a digit.

126650 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 in 11 ways as a sum of consecutive naturals, for example, 776 + ... + 924.

2¹²⁶⁶⁵⁰ is an apocalyptic number.

126650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126650 is a deficient number, since it is larger than the sum of its proper divisors (124450).

126650 is a wasteful number, since it uses less digits than its factorization.

126650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178 (or 173 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 126650 is about 355.8791929855. The cubic root of 126650 is about 50.2190390368.

It can be divided in two parts, 12 and 6650, that multiplied together give a triangular number (79800 = T₃₉₉).

The spelling of 126650 in words is "one hundred twenty-six thousand, six hundred fifty".