126260105 has 8 divisors (see below), whose sum is σ = 160424712. Its totient is φ = 95066368.

The previous prime is 126260077. The next prime is 126260119. The reversal of 126260105 is 501062621.

It can be written as a sum of positive squares in 4 ways, for example, as 16345849 + 109914256 = 4043^2 + 10484^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 126260105 - 2²⁰ = 125211529 is a prime.

It is a super-2 number, since 2×126260105² = 31883228229222050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon 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 in 7 ways as a sum of consecutive naturals, for example, 742622 + ... + 742791.

It is an arithmetic number, because the mean of its divisors is an integer number (20053089).

Almost surely, 2^126260105 is an apocalyptic number.

It is an amenable number.

126260105 is a deficient number, since it is larger than the sum of its proper divisors (34164607).

126260105 is a wasteful number, since it uses less digits than its factorization.

126260105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1485435.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 126260105 is about 11236.5521847229. The cubic root of 126260105 is about 501.6745256670.

The spelling of 126260105 in words is "one hundred twenty-six million, two hundred sixty thousand, one hundred five".