125742467 has 2 divisors, whose sum is σ = 125742468. Its totient is φ = 125742466.

The previous prime is 125742457. The next prime is 125742497. The reversal of 125742467 is 764247521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125742467 - 2¹⁰ = 125741443 is a prime.

It is a super-2 number, since 2×125742467² = 31622336014492178, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125742467.

It is not a weakly prime, because it can be changed into another prime (125742457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62871233 + 62871234.

It is an arithmetic number, because the mean of its divisors is an integer number (62871234).

Almost surely, 2^125742467 is an apocalyptic number.

125742467 is a deficient number, since it is larger than the sum of its proper divisors (1).

125742467 is an equidigital number, since it uses as much as digits as its factorization.

125742467 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 94080, while the sum is 38.

The square root of 125742467 is about 11213.4948611037. The cubic root of 125742467 is about 500.9880024165.

Adding to 125742467 its reverse (764247521), we get a palindrome (889989988).

The spelling of 125742467 in words is "one hundred twenty-five million, seven hundred forty-two thousand, four hundred sixty-seven".