126550265 has 8 divisors (see below), whose sum is σ = 151931400. Its totient is φ = 101192832.

The previous prime is 126550211. The next prime is 126550267. The reversal of 126550265 is 562055621.

It can be written as a sum of positive squares in 4 ways, for example, as 43612816 + 82937449 = 6604^2 + 9107^2 .

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 126550265 - 2⁸ = 126550009 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (126550267) 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, 9461 + ... + 18509.

It is an arithmetic number, because the mean of its divisors is an integer number (18991425).

Almost surely, 2^126550265 is an apocalyptic number.

It is an amenable number.

126550265 is a deficient number, since it is larger than the sum of its proper divisors (25381135).

126550265 is an equidigital number, since it uses as much as digits as its factorization.

126550265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11851.

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 126550265 is about 11249.4562090796. The cubic root of 126550265 is about 502.0585332508.

The spelling of 126550265 in words is "one hundred twenty-six million, five hundred fifty thousand, two hundred sixty-five".