125240566452406 has 16 divisors (see below), whose sum is σ = 188549422649280. Its totient is φ = 62390924808840.

The previous prime is 125240566452401. The next prime is 125240566452409. The reversal of 125240566452406 is 604254665042521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125240566452401) 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, 39965340 + ... + 42984991.

It is an arithmetic number, because the mean of its divisors is an integer number (11784338915580).

Almost surely, 2^{125240566452406} is an apocalyptic number.

125240566452406 is a deficient number, since it is larger than the sum of its proper divisors (63308856196874).

125240566452406 is a wasteful number, since it uses less digits than its factorization.

125240566452406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82953099.

The product of its (nonzero) digits is 13824000, while the sum is 52.

The spelling of 125240566452406 in words is "one hundred twenty-five trillion, two hundred forty billion, five hundred sixty-six million, four hundred fifty-two thousand, four hundred six".