125808043 has 2 divisors, whose sum is σ = 125808044. Its totient is φ = 125808042.

The previous prime is 125808017. The next prime is 125808073. The reversal of 125808043 is 340808521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125808043 - 2¹³ = 125799851 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 125807996 and 125808014.

It is not a weakly prime, because it can be changed into another prime (125808073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62904021 + 62904022.

It is an arithmetic number, because the mean of its divisors is an integer number (62904022).

Almost surely, 2^125808043 is an apocalyptic number.

125808043 is a deficient number, since it is larger than the sum of its proper divisors (1).

125808043 is an equidigital number, since it uses as much as digits as its factorization.

125808043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 125808043 is about 11216.4184568872. The cubic root of 125808043 is about 501.0750774270.

The spelling of 125808043 in words is "one hundred twenty-five million, eight hundred eight thousand, forty-three".