126061653617 has 8 divisors (see below), whose sum is σ = 130417276800. Its totient is φ = 121706608464.

The previous prime is 126061653611. The next prime is 126061653629. The reversal of 126061653617 is 716356160621.

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 126061653617 - 2²⁴ = 126044876401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126061653611) 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, 325118 + ... + 598184.

It is an arithmetic number, because the mean of its divisors is an integer number (16302159600).

Almost surely, 2^126061653617 is an apocalyptic number.

It is an amenable number.

126061653617 is a deficient number, since it is larger than the sum of its proper divisors (4355623183).

126061653617 is a wasteful number, since it uses less digits than its factorization.

126061653617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289015.

The product of its (nonzero) digits is 272160, while the sum is 44.

The spelling of 126061653617 in words is "one hundred twenty-six billion, sixty-one million, six hundred fifty-three thousand, six hundred seventeen".