126725750 has 16 divisors (see below), whose sum is σ = 237231072. Its totient is φ = 50690200.

The previous prime is 126725719. The next prime is 126725783. The reversal of 126725750 is 57527621.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 126725750.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 253202 + ... + 253701.

It is an arithmetic number, because the mean of its divisors is an integer number (14826942).

Almost surely, 2^126725750 is an apocalyptic number.

126725750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126725750 is a deficient number, since it is larger than the sum of its proper divisors (110505322).

126725750 is an equidigital number, since it uses as much as digits as its factorization.

126725750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506920 (or 506910 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 35.

The square root of 126725750 is about 11257.2532173706. The cubic root of 126725750 is about 502.2904912771.

The spelling of 126725750 in words is "one hundred twenty-six million, seven hundred twenty-five thousand, seven hundred fifty".