1201126104013 has 4 divisors (see below), whose sum is σ = 1310319386208. Its totient is φ = 1091932821820.

The previous prime is 1201126103959. The next prime is 1201126104029. The reversal of 1201126104013 is 3104016211021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1201126104013 - 2²⁹ = 1200589233101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201126104713) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 54596641081 + ... + 54596641102.

It is an arithmetic number, because the mean of its divisors is an integer number (327579846552).

Almost surely, 2^{1201126104013} is an apocalyptic number.

It is an amenable number.

1201126104013 is a deficient number, since it is larger than the sum of its proper divisors (109193282195).

1201126104013 is a wasteful number, since it uses less digits than its factorization.

1201126104013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109193282194.

The product of its (nonzero) digits is 288, while the sum is 22.

The spelling of 1201126104013 in words is "one trillion, two hundred one billion, one hundred twenty-six million, one hundred four thousand, thirteen".