126263005 has 8 divisors (see below), whose sum is σ = 165289824. Its totient is φ = 91827600.

The previous prime is 126262993. The next prime is 126263017. The reversal of 126263005 is 500362621.

It is an interprime number because it is at equal distance from previous prime (126262993) and next prime (126263017).

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

It is not a de Polignac number, because 126263005 - 2⁵ = 126262973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1147791 + ... + 1147900.

It is an arithmetic number, because the mean of its divisors is an integer number (20661228).

Almost surely, 2^126263005 is an apocalyptic number.

It is an amenable number.

126263005 is a deficient number, since it is larger than the sum of its proper divisors (39026819).

126263005 is a wasteful number, since it uses less digits than its factorization.

126263005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2295707.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 126263005 is about 11236.6812271240. The cubic root of 126263005 is about 501.6783665345.

The spelling of 126263005 in words is "one hundred twenty-six million, two hundred sixty-three thousand, five".