126456130061 has 16 divisors (see below), whose sum is σ = 132029578800. Its totient is φ = 120964451328.

The previous prime is 126456130057. The next prime is 126456130069. The reversal of 126456130061 is 160031654621.

It can be written as a sum of positive squares in 8 ways, for example, as 22510501225 + 103945628836 = 150035^2 + 322406^2 .

It is a cyclic number.

It is not a de Polignac number, because 126456130061 - 2² = 126456130057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126456130069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9552395 + ... + 9565623.

It is an arithmetic number, because the mean of its divisors is an integer number (8251848675).

Almost surely, 2^126456130061 is an apocalyptic number.

It is an amenable number.

126456130061 is a deficient number, since it is larger than the sum of its proper divisors (5573448739).

126456130061 is a wasteful number, since it uses less digits than its factorization.

126456130061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16288.

The product of its (nonzero) digits is 25920, while the sum is 35.

Adding to 126456130061 its reverse (160031654621), we get a palindrome (286487784682).

The spelling of 126456130061 in words is "one hundred twenty-six billion, four hundred fifty-six million, one hundred thirty thousand, sixty-one".