125132051121 has 48 divisors (see below), whose sum is σ = 213668959680. Its totient is φ = 64407208320.

The previous prime is 125132051117. The next prime is 125132051131. The reversal of 125132051121 is 121150231521.

It is not a de Polignac number, because 125132051121 - 2² = 125132051117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 125132051091 and 125132051100.

It is not an unprimeable number, because it can be changed into a prime (125132051131) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 178726 + ... + 531231.

It is an arithmetic number, because the mean of its divisors is an integer number (4451436660).

Almost surely, 2^125132051121 is an apocalyptic number.

125132051121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

125132051121 is a deficient number, since it is larger than the sum of its proper divisors (88536908559).

125132051121 is a wasteful number, since it uses less digits than its factorization.

125132051121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710094 (or 710087 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 24.

Adding to 125132051121 its reverse (121150231521), we get a palindrome (246282282642).

The spelling of 125132051121 in words is "one hundred twenty-five billion, one hundred thirty-two million, fifty-one thousand, one hundred twenty-one".