126412655 has 4 divisors (see below), whose sum is σ = 151695192. Its totient is φ = 101130120.

The previous prime is 126412651. The next prime is 126412661. The reversal of 126412655 is 556214621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 556214621 = 7103 ⋅78307.

It is not a de Polignac number, because 126412655 - 2² = 126412651 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 (126412651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12641261 + ... + 12641270.

It is an arithmetic number, because the mean of its divisors is an integer number (37923798).

Almost surely, 2^126412655 is an apocalyptic number.

126412655 is a deficient number, since it is larger than the sum of its proper divisors (25282537).

126412655 is an equidigital number, since it uses as much as digits as its factorization.

126412655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25282536.

The product of its digits is 14400, while the sum is 32.

The square root of 126412655 is about 11243.3382498260. The cubic root of 126412655 is about 501.8764887698.

The spelling of 126412655 in words is "one hundred twenty-six million, four hundred twelve thousand, six hundred fifty-five".