125134466105121 has 8 divisors (see below), whose sum is σ = 182013768880224. Its totient is φ = 75839070366720.

The previous prime is 125134466105119. The next prime is 125134466105167. The reversal of 125134466105121 is 121501664431521.

It is a happy number.

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

It is not a de Polignac number, because 125134466105121 - 2¹ = 125134466105119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125134466105101) 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, 1895976759136 + ... + 1895976759201.

It is an arithmetic number, because the mean of its divisors is an integer number (22751721110028).

Almost surely, 2^{125134466105121} is an apocalyptic number.

125134466105121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

125134466105121 is a deficient number, since it is larger than the sum of its proper divisors (56879302775103).

125134466105121 is a wasteful number, since it uses less digits than its factorization.

125134466105121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3791953518351.

The product of its (nonzero) digits is 172800, while the sum is 42.

The spelling of 125134466105121 in words is "one hundred twenty-five trillion, one hundred thirty-four billion, four hundred sixty-six million, one hundred five thousand, one hundred twenty-one".