126250740 has 144 divisors (see below), whose sum is σ = 477509760. Its totient is φ = 26231040.

The previous prime is 126250727. The next prime is 126250759. The reversal of 126250740 is 47052621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9306 + ... + 18414.

It is an arithmetic number, because the mean of its divisors is an integer number (3316040).

Almost surely, 2^126250740 is an apocalyptic number.

126250740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126250740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (238754880).

126250740 is an abundant number, since it is smaller than the sum of its proper divisors (351259020).

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

126250740 is a wasteful number, since it uses less digits than its factorization.

126250740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9142 (or 9137 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 126250740 is about 11236.1354566417. The cubic root of 126250740 is about 501.6621219124.

The spelling of 126250740 in words is "one hundred twenty-six million, two hundred fifty thousand, seven hundred forty".