126126716074 has 24 divisors (see below), whose sum is σ = 196780378860. Its totient is φ = 60627245952.

The previous prime is 126126716071. The next prime is 126126716101. The reversal of 126126716074 is 470617621621.

126126716074 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 47942167849 + 78184548225 = 218957^2 + 279615^2 .

It is a super-2 number, since 2×126126716074² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 126126716074.

It is not an unprimeable number, because it can be changed into a prime (126126716071) 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 11 ways as a sum of consecutive naturals, for example, 230992 + ... + 552820.

Almost surely, 2^126126716074 is an apocalyptic number.

126126716074 is a deficient number, since it is larger than the sum of its proper divisors (70653662786).

126126716074 is a wasteful number, since it uses less digits than its factorization.

126126716074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322122 (or 322093 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 43.

The spelling of 126126716074 in words is "one hundred twenty-six billion, one hundred twenty-six million, seven hundred sixteen thousand, seventy-four".