125121255134 has 8 divisors (see below), whose sum is σ = 187697933040. Its totient is φ = 62555277456.

The previous prime is 125121255113. The next prime is 125121255143. The reversal of 125121255134 is 431552121521.

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

It is a self number, because there is not a number n which added to its sum of digits gives 125121255134.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2645759 + ... + 2692634.

It is an arithmetic number, because the mean of its divisors is an integer number (23462241630).

Almost surely, 2^125121255134 is an apocalyptic number.

125121255134 is a deficient number, since it is larger than the sum of its proper divisors (62576677906).

125121255134 is a wasteful number, since it uses less digits than its factorization.

125121255134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5350114.

The product of its digits is 12000, while the sum is 32.

Adding to 125121255134 its reverse (431552121521), we get a palindrome (556673376655).

The spelling of 125121255134 in words is "one hundred twenty-five billion, one hundred twenty-one million, two hundred fifty-five thousand, one hundred thirty-four".