126530275 has 12 divisors (see below), whose sum is σ = 158454144. Its totient is φ = 100220000.

The previous prime is 126530213. The next prime is 126530311. The reversal of 126530275 is 572035621.

It is not a de Polignac number, because 126530275 - 2²¹ = 124433123 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22531 + ... + 27580.

It is an arithmetic number, because the mean of its divisors is an integer number (13204512).

Almost surely, 2^126530275 is an apocalyptic number.

126530275 is a deficient number, since it is larger than the sum of its proper divisors (31923869).

126530275 is a wasteful number, since it uses less digits than its factorization.

126530275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50222 (or 50217 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 126530275 is about 11248.5676865990. The cubic root of 126530275 is about 502.0320966446.

Adding to 126530275 its reverse (572035621), we get a palindrome (698565896).

The spelling of 126530275 in words is "one hundred twenty-six million, five hundred thirty thousand, two hundred seventy-five".