125252354121 has 16 divisors (see below), whose sum is σ = 174324576384. Its totient is φ = 79843368704.

The previous prime is 125252354111. The next prime is 125252354153. The reversal of 125252354121 is 121453252521.

It is a cyclic number.

It is not a de Polignac number, because 125252354121 - 2¹⁴ = 125252337737 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (125252354111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113406 + ... + 513191.

It is an arithmetic number, because the mean of its divisors is an integer number (10895286024).

Almost surely, 2^125252354121 is an apocalyptic number.

It is an amenable number.

125252354121 is a deficient number, since it is larger than the sum of its proper divisors (49072222263).

125252354121 is a wasteful number, since it uses less digits than its factorization.

125252354121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629520.

The product of its digits is 24000, while the sum is 33.

The spelling of 125252354121 in words is "one hundred twenty-five billion, two hundred fifty-two million, three hundred fifty-four thousand, one hundred twenty-one".