125121230231 has 2 divisors, whose sum is σ = 125121230232. Its totient is φ = 125121230230.

The previous prime is 125121230197. The next prime is 125121230257. The reversal of 125121230231 is 132032121521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125121230231 - 2¹⁸ = 125120968087 is a prime.

It is a super-2 number, since 2×125121230231² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 125121230197 and 125121230206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125121230281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62560615115 + 62560615116.

It is an arithmetic number, because the mean of its divisors is an integer number (62560615116).

Almost surely, 2^125121230231 is an apocalyptic number.

125121230231 is a deficient number, since it is larger than the sum of its proper divisors (1).

125121230231 is an equidigital number, since it uses as much as digits as its factorization.

125121230231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 125121230231 its reverse (132032121521), we get a palindrome (257153351752).

The spelling of 125121230231 in words is "one hundred twenty-five billion, one hundred twenty-one million, two hundred thirty thousand, two hundred thirty-one".