126566250 has 40 divisors (see below), whose sum is σ = 316323744. Its totient is φ = 33750000.

The previous prime is 126566213. The next prime is 126566257. The reversal of 126566250 is 52665621.

It is a happy number.

It is a Curzon number.

It is a zygodrome in base 5.

It is not an unprimeable number, because it can be changed into a prime (126566257) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 13126 + ... + 20625.

Almost surely, 2^126566250 is an apocalyptic number.

126566250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126566250 is an abundant number, since it is smaller than the sum of its proper divisors (189757494).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126566250 is an equidigital number, since it uses as much as digits as its factorization.

126566250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33776 (or 33761 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 126566250 is about 11250.1666654321. The cubic root of 126566250 is about 502.0796712752.

The spelling of 126566250 in words is "one hundred twenty-six million, five hundred sixty-six thousand, two hundred fifty".