126442051601 has 8 divisors (see below), whose sum is σ = 129128725800. Its totient is φ = 123783510400.

The previous prime is 126442051579. The next prime is 126442051649. The reversal of 126442051601 is 106150244621.

It can be written as a sum of positive squares in 4 ways, for example, as 28096464400 + 98345587201 = 167620^2 + 313601^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 126442051601 - 2³⁰ = 125368309777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126442051301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7024166 + ... + 7042143.

It is an arithmetic number, because the mean of its divisors is an integer number (16141090725).

Almost surely, 2^126442051601 is an apocalyptic number.

It is an amenable number.

126442051601 is a deficient number, since it is larger than the sum of its proper divisors (2686674199).

126442051601 is a wasteful number, since it uses less digits than its factorization.

126442051601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14066499.

The product of its (nonzero) digits is 11520, while the sum is 32.

The spelling of 126442051601 in words is "one hundred twenty-six billion, four hundred forty-two million, fifty-one thousand, six hundred one".