126290712 has 32 divisors (see below), whose sum is σ = 320443200. Its totient is φ = 41468064.

The previous prime is 126290711. The next prime is 126290741. The reversal of 126290712 is 217092621.

It is a self number, because there is not a number n which added to its sum of digits gives 126290712.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126290711) 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, 37662 + ... + 40877.

It is an arithmetic number, because the mean of its divisors is an integer number (10013850).

Almost surely, 2^126290712 is an apocalyptic number.

126290712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

126290712 is an abundant number, since it is smaller than the sum of its proper divisors (194152488).

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

126290712 is a wasteful number, since it uses less digits than its factorization.

126290712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78615 (or 78611 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 126290712 is about 11237.9140413157. The cubic root of 126290712 is about 501.7150597472.

The spelling of 126290712 in words is "one hundred twenty-six million, two hundred ninety thousand, seven hundred twelve".