126434662542 has 48 divisors (see below), whose sum is σ = 276749141760. Its totient is φ = 41713272000.

The previous prime is 126434662391. The next prime is 126434662561. The reversal of 126434662542 is 245266434621.

It is a happy number.

126434662542 is a `hidden beast` number, since 1 + 2 + 6 + 4 + 3 + 46 + 62 + 542 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6154584 + ... + 6175092.

It is an arithmetic number, because the mean of its divisors is an integer number (5765607120).

Almost surely, 2^126434662542 is an apocalyptic number.

126434662542 is an abundant number, since it is smaller than the sum of its proper divisors (150314479218).

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

126434662542 is a wasteful number, since it uses less digits than its factorization.

126434662542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24009 (or 24006 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 45.

The spelling of 126434662542 in words is "one hundred twenty-six billion, four hundred thirty-four million, six hundred sixty-two thousand, five hundred forty-two".