126606026 has 4 divisors (see below), whose sum is σ = 189909042. Its totient is φ = 63303012.

The previous prime is 126606023. The next prime is 126606031. The reversal of 126606026 is 620606621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 620606621 = 103 ⋅6025307.

It can be written as a sum of positive squares in only one way, i.e., 126585001 + 21025 = 11251^2 + 145^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 126606026.

It is not an unprimeable number, because it can be changed into a prime (126606023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31651505 + ... + 31651508.

Almost surely, 2^126606026 is an apocalyptic number.

126606026 is a deficient number, since it is larger than the sum of its proper divisors (63303016).

126606026 is an equidigital number, since it uses as much as digits as its factorization.

126606026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63303015.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 126606026 is about 11251.9343225954. The cubic root of 126606026 is about 502.1322619917.

The spelling of 126606026 in words is "one hundred twenty-six million, six hundred six thousand, twenty-six".