125034160221 has 16 divisors (see below), whose sum is σ = 185247182400. Its totient is φ = 83350981584.

The previous prime is 125034160189. The next prime is 125034160249. The reversal of 125034160221 is 122061430521.

125034160221 is a `hidden beast` number, since 1 + 2 + 5 + 0 + 34 + 1 + 602 + 21 = 666.

It is not a de Polignac number, because 125034160221 - 2⁵ = 125034160189 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125034160721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 333850 + ... + 601268.

It is an arithmetic number, because the mean of its divisors is an integer number (11577948900).

Almost surely, 2^125034160221 is an apocalyptic number.

It is an amenable number.

125034160221 is a deficient number, since it is larger than the sum of its proper divisors (60213022179).

125034160221 is a wasteful number, since it uses less digits than its factorization.

125034160221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284745 (or 284739 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 125034160221 its reverse (122061430521), we get a palindrome (247095590742).

The spelling of 125034160221 in words is "one hundred twenty-five billion, thirty-four million, one hundred sixty thousand, two hundred twenty-one".