126375243 has 32 divisors (see below), whose sum is σ = 181440000. Its totient is φ = 78086400.

The previous prime is 126375241. The next prime is 126375257. The reversal of 126375243 is 342573621.

It is not a de Polignac number, because 126375243 - 2¹ = 126375241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126375241) 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 31 ways as a sum of consecutive naturals, for example, 253008 + ... + 253506.

It is an arithmetic number, because the mean of its divisors is an integer number (5670000).

Almost surely, 2^126375243 is an apocalyptic number.

126375243 is a deficient number, since it is larger than the sum of its proper divisors (55064757).

126375243 is a wasteful number, since it uses less digits than its factorization.

126375243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643.

The product of its digits is 30240, while the sum is 33.

The square root of 126375243 is about 11241.6743859623. The cubic root of 126375243 is about 501.8269735379.

The spelling of 126375243 in words is "one hundred twenty-six million, three hundred seventy-five thousand, two hundred forty-three".