125807051 has 2 divisors, whose sum is σ = 125807052. Its totient is φ = 125807050.

The previous prime is 125807023. The next prime is 125807111. The reversal of 125807051 is 150708521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125807051 - 2¹⁰ = 125806027 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (125801051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62903525 + 62903526.

It is an arithmetic number, because the mean of its divisors is an integer number (62903526).

Almost surely, 2^125807051 is an apocalyptic number.

125807051 is a deficient number, since it is larger than the sum of its proper divisors (1).

125807051 is an equidigital number, since it uses as much as digits as its factorization.

125807051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2800, while the sum is 29.

The square root of 125807051 is about 11216.3742359106. The cubic root of 125807051 is about 501.0737604264.

The spelling of 125807051 in words is "one hundred twenty-five million, eight hundred seven thousand, fifty-one".