126249075 has 36 divisors (see below), whose sum is σ = 231402600. Its totient is φ = 65761920.

The previous prime is 126249073. The next prime is 126249083. The reversal of 126249075 is 570942621.

It is not a de Polignac number, because 126249075 - 2¹ = 126249073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126249073) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3151 + ... + 16199.

It is an arithmetic number, because the mean of its divisors is an integer number (6427850).

Almost surely, 2^126249075 is an apocalyptic number.

126249075 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

126249075 is a deficient number, since it is larger than the sum of its proper divisors (105153525).

126249075 is a wasteful number, since it uses less digits than its factorization.

126249075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13108 (or 13100 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 126249075 is about 11236.0613650870. The cubic root of 126249075 is about 501.6599165890.

The spelling of 126249075 in words is "one hundred twenty-six million, two hundred forty-nine thousand, seventy-five".