126626026 has 4 divisors (see below), whose sum is σ = 189939042. Its totient is φ = 63313012.

The previous prime is 126626021. The next prime is 126626053. The reversal of 126626026 is 620626621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 620626621 = 19 ⋅32664559.

It can be written as a sum of positive squares in only one way, i.e., 114383025 + 12243001 = 10695^2 + 3499^2 .

It is not an unprimeable number, because it can be changed into a prime (126626021) 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 as a sum of consecutive naturals, namely, 31656505 + ... + 31656508.

Almost surely, 2^126626026 is an apocalyptic number.

126626026 is a deficient number, since it is larger than the sum of its proper divisors (63313016).

126626026 is an equidigital number, since it uses as much as digits as its factorization.

126626026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63313015.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 126626026 is about 11252.8230235795. The cubic root of 126626026 is about 502.1587012716.

The spelling of 126626026 in words is "one hundred twenty-six million, six hundred twenty-six thousand, twenty-six".