126674104442 has 4 divisors (see below), whose sum is σ = 190011156666. Its totient is φ = 63337052220.

The previous prime is 126674104441. The next prime is 126674104471. The reversal of 126674104442 is 244401476621.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 88894018801 + 37780085641 = 298151^2 + 194371^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 126674104442.

It is not an unprimeable number, because it can be changed into a prime (126674104441) 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 as a sum of consecutive naturals, namely, 31668526109 + ... + 31668526112.

Almost surely, 2^126674104442 is an apocalyptic number.

126674104442 is a deficient number, since it is larger than the sum of its proper divisors (63337052224).

126674104442 is an equidigital number, since it uses as much as digits as its factorization.

126674104442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63337052223.

The product of its (nonzero) digits is 258048, while the sum is 41.

The spelling of 126674104442 in words is "one hundred twenty-six billion, six hundred seventy-four million, one hundred four thousand, four hundred forty-two".