126665414 has 4 divisors (see below), whose sum is σ = 189998124. Its totient is φ = 63332706.

The previous prime is 126665369. The next prime is 126665449. The reversal of 126665414 is 414566621.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 31666352 + ... + 31666355.

It is an arithmetic number, because the mean of its divisors is an integer number (47499531).

Almost surely, 2^126665414 is an apocalyptic number.

126665414 is a deficient number, since it is larger than the sum of its proper divisors (63332710).

126665414 is an equidigital number, since it uses as much as digits as its factorization.

126665414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63332709.

The product of its digits is 34560, while the sum is 35.

The square root of 126665414 is about 11254.5730261081. The cubic root of 126665414 is about 502.2107626503.

The spelling of 126665414 in words is "one hundred twenty-six million, six hundred sixty-five thousand, four hundred fourteen".