126251740 has 24 divisors (see below), whose sum is σ = 269624880. Its totient is φ = 49644288.

The previous prime is 126251701. The next prime is 126251753. The reversal of 126251740 is 47152621.

126251740 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

126251740 is strictly pandigital in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 126251699 and 126251708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52317 + ... + 54676.

It is an arithmetic number, because the mean of its divisors is an integer number (11234370).

Almost surely, 2^126251740 is an apocalyptic number.

126251740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126251740 is an abundant number, since it is smaller than the sum of its proper divisors (143373140).

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

126251740 is a wasteful number, since it uses less digits than its factorization.

126251740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107061 (or 107059 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 126251740 is about 11236.1799558391. The cubic root of 126251740 is about 501.6634464215.

It can be divided in two parts, 12625 and 1740, that added together give a triangular number (14365 = T₁₆₉).

The spelling of 126251740 in words is "one hundred twenty-six million, two hundred fifty-one thousand, seven hundred forty".