126494158542 has 16 divisors (see below), whose sum is σ = 252996241872. Its totient is φ = 42163398720.

The previous prime is 126494158523. The next prime is 126494158543. The reversal of 126494158542 is 245851494621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126494158543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111559 + ... + 515202.

It is an arithmetic number, because the mean of its divisors is an integer number (15812265117).

Almost surely, 2^126494158542 is an apocalyptic number.

126494158542 is an abundant number, since it is smaller than the sum of its proper divisors (126502083330).

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

126494158542 is a wasteful number, since it uses less digits than its factorization.

126494158542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660403.

The product of its digits is 2764800, while the sum is 51.

The spelling of 126494158542 in words is "one hundred twenty-six billion, four hundred ninety-four million, one hundred fifty-eight thousand, five hundred forty-two".