125414010021 has 8 divisors (see below), whose sum is σ = 167259551200. Its totient is φ = 83588904432.

The previous prime is 125414009999. The next prime is 125414010031. The reversal of 125414010021 is 120010414521.

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

It is not a de Polignac number, because 125414010021 - 2⁷ = 125414009893 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 125414010021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125414010031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5094571 + ... + 5119128.

It is an arithmetic number, because the mean of its divisors is an integer number (20907443900).

Almost surely, 2^125414010021 is an apocalyptic number.

It is an amenable number.

125414010021 is a deficient number, since it is larger than the sum of its proper divisors (41845541179).

125414010021 is a wasteful number, since it uses less digits than its factorization.

125414010021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10217795.

The product of its (nonzero) digits is 320, while the sum is 21.

Adding to 125414010021 its reverse (120010414521), we get a palindrome (245424424542).

The spelling of 125414010021 in words is "one hundred twenty-five billion, four hundred fourteen million, ten thousand, twenty-one".