126730140 has 24 divisors (see below), whose sum is σ = 354844560. Its totient is φ = 33794688.

The previous prime is 126730129. The next prime is 126730147. The reversal of 126730140 is 41037621.

It is a self number, because there is not a number n which added to its sum of digits gives 126730140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126730147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1056025 + ... + 1056144.

It is an arithmetic number, because the mean of its divisors is an integer number (14785190).

Almost surely, 2^126730140 is an apocalyptic number.

126730140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126730140 is an abundant number, since it is smaller than the sum of its proper divisors (228114420).

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

126730140 is a wasteful number, since it uses less digits than its factorization.

126730140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2112181 (or 2112179 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 126730140 is about 11257.4482010800. The cubic root of 126730140 is about 502.2962912817.

Adding to 126730140 its reverse (41037621), we get a palindrome (167767761).

The spelling of 126730140 in words is "one hundred twenty-six million, seven hundred thirty thousand, one hundred forty".