126867871442 has 16 divisors (see below), whose sum is σ = 211551389952. Its totient is φ = 56665550160.

The previous prime is 126867871433. The next prime is 126867871483. The reversal of 126867871442 is 244178768621.

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 7 ways as a sum of consecutive naturals, for example, 78701348 + ... + 78702959.

It is an arithmetic number, because the mean of its divisors is an integer number (13221961872).

Almost surely, 2^126867871442 is an apocalyptic number.

126867871442 is a deficient number, since it is larger than the sum of its proper divisors (84683518510).

126867871442 is a wasteful number, since it uses less digits than its factorization.

126867871442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157404353.

The product of its digits is 7225344, while the sum is 56.

The spelling of 126867871442 in words is "one hundred twenty-six billion, eight hundred sixty-seven million, eight hundred seventy-one thousand, four hundred forty-two".