125213251043 has 2 divisors, whose sum is σ = 125213251044. Its totient is φ = 125213251042.

The previous prime is 125213251027. The next prime is 125213251049. The reversal of 125213251043 is 340152312521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125213251043 - 2⁴ = 125213251027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 125213250997 and 125213251015.

It is not a weakly prime, because it can be changed into another prime (125213251049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62606625521 + 62606625522.

It is an arithmetic number, because the mean of its divisors is an integer number (62606625522).

Almost surely, 2^125213251043 is an apocalyptic number.

125213251043 is a deficient number, since it is larger than the sum of its proper divisors (1).

125213251043 is an equidigital number, since it uses as much as digits as its factorization.

125213251043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 125213251043 its reverse (340152312521), we get a palindrome (465365563564).

The spelling of 125213251043 in words is "one hundred twenty-five billion, two hundred thirteen million, two hundred fifty-one thousand, forty-three".