126606422 has 4 divisors (see below), whose sum is σ = 189909636. Its totient is φ = 63303210.

The previous prime is 126606413. The next prime is 126606433. The reversal of 126606422 is 224606621.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31651604 + ... + 31651607.

It is an arithmetic number, because the mean of its divisors is an integer number (47477409).

Almost surely, 2^126606422 is an apocalyptic number.

126606422 is a deficient number, since it is larger than the sum of its proper divisors (63303214).

126606422 is an equidigital number, since it uses as much as digits as its factorization.

126606422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63303213.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 126606422 is about 11251.9519195560. The cubic root of 126606422 is about 502.1327855165.

The spelling of 126606422 in words is "one hundred twenty-six million, six hundred six thousand, four hundred twenty-two".