125114121 has 18 divisors (see below), whose sum is σ = 198644810. Its totient is φ = 75826080.

The previous prime is 125114113. The next prime is 125114159. The reversal of 125114121 is 121411521.

125114121 is a `hidden beast` number, since 1 + 251 + 1 + 412 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 109432521 + 15681600 = 10461^2 + 3960^2 .

It is not a de Polignac number, because 125114121 - 2³ = 125114113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125114094 and 125114103.

It is not an unprimeable number, because it can be changed into a prime (125114191) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 56356 + ... + 58533.

Almost surely, 2^125114121 is an apocalyptic number.

125114121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

125114121 is a deficient number, since it is larger than the sum of its proper divisors (73530689).

125114121 is a wasteful number, since it uses less digits than its factorization.

125114121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114917 (or 114903 counting only the distinct ones).

The product of its digits is 80, while the sum is 18.

The square root of 125114121 is about 11185.4423694372. The cubic root of 125114121 is about 500.1521150507.

Adding to 125114121 its reverse (121411521), we get a palindrome (246525642).

The spelling of 125114121 in words is "one hundred twenty-five million, one hundred fourteen thousand, one hundred twenty-one".