126005622874 has 4 divisors (see below), whose sum is σ = 189008434314. Its totient is φ = 63002811436.

The previous prime is 126005622817. The next prime is 126005622877. The reversal of 126005622874 is 478226500621.

It is a happy number.

126005622874 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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., 74291679225 + 51713943649 = 272565^2 + 227407^2 .

It is a super-3 number, since 3×126005622874³ (a number of 34 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 126005622874.

It is not an unprimeable number, because it can be changed into a prime (126005622877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31501405717 + ... + 31501405720.

Almost surely, 2^126005622874 is an apocalyptic number.

126005622874 is a deficient number, since it is larger than the sum of its proper divisors (63002811440).

126005622874 is an equidigital number, since it uses as much as digits as its factorization.

126005622874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63002811439.

The product of its (nonzero) digits is 322560, while the sum is 43.

The spelling of 126005622874 in words is "one hundred twenty-six billion, five million, six hundred twenty-two thousand, eight hundred seventy-four".