126400750 has 32 divisors (see below), whose sum is σ = 270429120. Its totient is φ = 43336800.

The previous prime is 126400697. The next prime is 126400753. The reversal of 126400750 is 57004621.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126400753) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34365 + ... + 37864.

It is an arithmetic number, because the mean of its divisors is an integer number (8450910).

Almost surely, 2^126400750 is an apocalyptic number.

126400750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126400750 is an abundant number, since it is smaller than the sum of its proper divisors (144028370).

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

126400750 is an equidigital number, since it uses as much as digits as its factorization.

126400750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72253 (or 72243 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 126400750 is about 11242.8088127478. The cubic root of 126400750 is about 501.8607334190.

The spelling of 126400750 in words is "one hundred twenty-six million, four hundred thousand, seven hundred fifty".