125811467 has 2 divisors, whose sum is σ = 125811468. Its totient is φ = 125811466.

The previous prime is 125811451. The next prime is 125811481. The reversal of 125811467 is 764118521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125811467 - 2⁴ = 125811451 is a prime.

It is not a weakly prime, because it can be changed into another prime (125811437) 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, 62905733 + 62905734.

It is an arithmetic number, because the mean of its divisors is an integer number (62905734).

Almost surely, 2^125811467 is an apocalyptic number.

125811467 is a deficient number, since it is larger than the sum of its proper divisors (1).

125811467 is an equidigital number, since it uses as much as digits as its factorization.

125811467 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13440, while the sum is 35.

The square root of 125811467 is about 11216.5710892411. The cubic root of 125811467 is about 501.0796231499.

Adding to 125811467 its reverse (764118521), we get a palindrome (889929988).

The spelling of 125811467 in words is "one hundred twenty-five million, eight hundred eleven thousand, four hundred sixty-seven".