126665422 has 8 divisors (see below), whose sum is σ = 204613416. Its totient is φ = 58460952.

The previous prime is 126665369. The next prime is 126665449. The reversal of 126665422 is 224566621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2435848 + ... + 2435899.

It is an arithmetic number, because the mean of its divisors is an integer number (25576677).

Almost surely, 2^126665422 is an apocalyptic number.

126665422 is a deficient number, since it is larger than the sum of its proper divisors (77947994).

126665422 is a wasteful number, since it uses less digits than its factorization.

126665422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4871762.

The product of its digits is 34560, while the sum is 34.

The square root of 126665422 is about 11254.5733815192. The cubic root of 126665422 is about 502.2107732233.

It can be divided in two parts, 126665 and 422, that multiplied together give a triangular number (53452630 = T₁₀₃₃₉).

The spelling of 126665422 in words is "one hundred twenty-six million, six hundred sixty-five thousand, four hundred twenty-two".