125231512141 has 4 divisors (see below), whose sum is σ = 125278190752. Its totient is φ = 125184833532.

The previous prime is 125231512111. The next prime is 125231512151. The reversal of 125231512141 is 141215132521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 141215132521 = 298679 ⋅472799.

It is a cyclic number.

It is not a de Polignac number, because 125231512141 - 2⁷ = 125231512013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125231512111) 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 3 ways as a sum of consecutive naturals, for example, 23335281 + ... + 23340646.

It is an arithmetic number, because the mean of its divisors is an integer number (31319547688).

Almost surely, 2^125231512141 is an apocalyptic number.

It is an amenable number.

125231512141 is a deficient number, since it is larger than the sum of its proper divisors (46678611).

125231512141 is an equidigital number, since it uses as much as digits as its factorization.

125231512141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46678610.

The product of its digits is 2400, while the sum is 28.

Adding to 125231512141 its reverse (141215132521), we get a palindrome (266446644662).

The spelling of 125231512141 in words is "one hundred twenty-five billion, two hundred thirty-one million, five hundred twelve thousand, one hundred forty-one".