126423027122 has 42 divisors (see below), whose sum is σ = 221542268733. Its totient is φ = 54107380152.

The previous prime is 126423027121. The next prime is 126423027131. The reversal of 126423027122 is 221720324621.

It can be written as a sum of positive squares in 2 ways, for example, as 81635346961 + 44787680161 = 285719^2 + 211631^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=251419.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126423027121) by changing a digit.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 172473068 + ... + 172473800.

Almost surely, 2^126423027122 is an apocalyptic number.

126423027122 is a deficient number, since it is larger than the sum of its proper divisors (95119241611).

126423027122 is an frugal number, since it uses more digits than its factorization.

126423027122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1510 (or 742 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

Multiplying 126423027122 by its sum of digits (32), we get a square (4045536867904 = 2011352²).

The spelling of 126423027122 in words is "one hundred twenty-six billion, four hundred twenty-three million, twenty-seven thousand, one hundred twenty-two".