126304542 has 64 divisors (see below), whose sum is σ = 345461760. Its totient is φ = 33309792.

The previous prime is 126304537. The next prime is 126304553. The reversal of 126304542 is 245403621.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7938 + ... + 17765.

It is an arithmetic number, because the mean of its divisors is an integer number (5397840).

Almost surely, 2^126304542 is an apocalyptic number.

126304542 is an abundant number, since it is smaller than the sum of its proper divisors (219157218).

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

126304542 is a wasteful number, since it uses less digits than its factorization.

126304542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25734 (or 25728 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 126304542 is about 11238.5293521884. The cubic root of 126304542 is about 501.7333732238.

The spelling of 126304542 in words is "one hundred twenty-six million, three hundred four thousand, five hundred forty-two".