125542463 has 2 divisors, whose sum is σ = 125542464. Its totient is φ = 125542462.

The previous prime is 125542427. The next prime is 125542493. The reversal of 125542463 is 364245521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125542463 - 2¹⁶ = 125476927 is a prime.

It is a super-2 number, since 2×125542463² = 31521820032212738, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125542423) 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, 62771231 + 62771232.

It is an arithmetic number, because the mean of its divisors is an integer number (62771232).

Almost surely, 2^125542463 is an apocalyptic number.

125542463 is a deficient number, since it is larger than the sum of its proper divisors (1).

125542463 is an equidigital number, since it uses as much as digits as its factorization.

125542463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28800, while the sum is 32.

The square root of 125542463 is about 11204.5733073598. The cubic root of 125542463 is about 500.7222402358.

Adding to 125542463 its reverse (364245521), we get a palindrome (489787984).

The spelling of 125542463 in words is "one hundred twenty-five million, five hundred forty-two thousand, four hundred sixty-three".