125020121112501 has 8 divisors (see below), whose sum is σ = 169181457426144. Its totient is φ = 82102766103600.

The previous prime is 125020121112499. The next prime is 125020121112511. The reversal of 125020121112501 is 105211121020521.

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

It is not a de Polignac number, because 125020121112501 - 2¹ = 125020121112499 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125020121112511) 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, 310995325950 + ... + 310995326351.

It is an arithmetic number, because the mean of its divisors is an integer number (21147682178268).

Almost surely, 2^{125020121112501} is an apocalyptic number.

It is an amenable number.

125020121112501 is a deficient number, since it is larger than the sum of its proper divisors (44161336313643).

125020121112501 is an equidigital number, since it uses as much as digits as its factorization.

125020121112501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621990652371.

The product of its (nonzero) digits is 400, while the sum is 24.

The spelling of 125020121112501 in words is "one hundred twenty-five trillion, twenty billion, one hundred twenty-one million, one hundred twelve thousand, five hundred one".