126126623 has 8 divisors (see below), whose sum is σ = 144212640. Its totient is φ = 108057600.

The previous prime is 126126613. The next prime is 126126653. The reversal of 126126623 is 326621621.

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

It is not a de Polignac number, because 126126623 - 2¹² = 126122527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126126613) 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 in 7 ways as a sum of consecutive naturals, for example, 27263 + ... + 31551.

It is an arithmetic number, because the mean of its divisors is an integer number (18026580).

Almost surely, 2^126126623 is an apocalyptic number.

126126623 is a deficient number, since it is larger than the sum of its proper divisors (18086017).

126126623 is an equidigital number, since it uses as much as digits as its factorization.

126126623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8497.

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

The square root of 126126623 is about 11230.6109807080. The cubic root of 126126623 is about 501.4976734693.

The spelling of 126126623 in words is "one hundred twenty-six million, one hundred twenty-six thousand, six hundred twenty-three".