1231283560126 has 16 divisors (see below), whose sum is σ = 1870767664128. Its totient is φ = 607743549400.

The previous prime is 1231283560099. The next prime is 1231283560141. The reversal of 1231283560126 is 6210653821321.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12252460 + ... + 12352543.

It is an arithmetic number, because the mean of its divisors is an integer number (116922979008).

Almost surely, 2^{1231283560126} is an apocalyptic number.

1231283560126 is a deficient number, since it is larger than the sum of its proper divisors (639484104002).

1231283560126 is a wasteful number, since it uses less digits than its factorization.

1231283560126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24605327.

The product of its (nonzero) digits is 103680, while the sum is 40.

The spelling of 1231283560126 in words is "one trillion, two hundred thirty-one billion, two hundred eighty-three million, five hundred sixty thousand, one hundred twenty-six".