126105125061 has 16 divisors (see below), whose sum is σ = 182171018304. Its totient is φ = 77284671744.

The previous prime is 126105125039. The next prime is 126105125063. The reversal of 126105125061 is 160521501621.

It is not a de Polignac number, because 126105125061 - 2⁶ = 126105124997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126105125063) 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, 28749546 + ... + 28753931.

It is an arithmetic number, because the mean of its divisors is an integer number (11385688644).

Almost surely, 2^126105125061 is an apocalyptic number.

It is an amenable number.

126105125061 is a deficient number, since it is larger than the sum of its proper divisors (56065893243).

126105125061 is a wasteful number, since it uses less digits than its factorization.

126105125061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57503540.

The product of its (nonzero) digits is 3600, while the sum is 30.

Adding to 126105125061 its reverse (160521501621), we get a palindrome (286626626682).

The spelling of 126105125061 in words is "one hundred twenty-six billion, one hundred five million, one hundred twenty-five thousand, sixty-one".