125120455405406 has 8 divisors (see below), whose sum is σ = 190757415618264. Its totient is φ = 61534650199320.

The previous prime is 125120455405331. The next prime is 125120455405417. The reversal of 125120455405406 is 604504554021521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 512788751540 + ... + 512788751783.

It is an arithmetic number, because the mean of its divisors is an integer number (23844676952283).

Almost surely, 2^{125120455405406} is an apocalyptic number.

125120455405406 is a deficient number, since it is larger than the sum of its proper divisors (65636960212858).

125120455405406 is a wasteful number, since it uses less digits than its factorization.

125120455405406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025577503386.

The product of its (nonzero) digits is 960000, while the sum is 44.

The spelling of 125120455405406 in words is "one hundred twenty-five trillion, one hundred twenty billion, four hundred fifty-five million, four hundred five thousand, four hundred six".