126529542 has 24 divisors (see below), whose sum is σ = 274438944. Its totient is φ = 42131664.

The previous prime is 126529541. The next prime is 126529549. The reversal of 126529542 is 245925621.

126529542 is a `hidden beast` number, since 126 + 529 + 5 + 4 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 126529497 and 126529506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126529541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16668 + ... + 23040.

It is an arithmetic number, because the mean of its divisors is an integer number (11434956).

Almost surely, 2^126529542 is an apocalyptic number.

126529542 is an abundant number, since it is smaller than the sum of its proper divisors (147909402).

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

126529542 is a wasteful number, since it uses less digits than its factorization.

126529542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7484 (or 7481 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 126529542 is about 11248.5351046258. The cubic root of 126529542 is about 502.0311272054.

The spelling of 126529542 in words is "one hundred twenty-six million, five hundred twenty-nine thousand, five hundred forty-two".