125145563 has 2 divisors, whose sum is σ = 125145564. Its totient is φ = 125145562.

The previous prime is 125145557. The next prime is 125145569. The reversal of 125145563 is 365541521.

It is a balanced prime because it is at equal distance from previous prime (125145557) and next prime (125145569).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125145563 is a prime.

It is a super-2 number, since 2×125145563² = 31322823877173938, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (125145569) 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, 62572781 + 62572782.

It is an arithmetic number, because the mean of its divisors is an integer number (62572782).

Almost surely, 2^125145563 is an apocalyptic number.

125145563 is a deficient number, since it is larger than the sum of its proper divisors (1).

125145563 is an equidigital number, since it uses as much as digits as its factorization.

125145563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18000, while the sum is 32.

The square root of 125145563 is about 11186.8477686970. The cubic root of 125145563 is about 500.1940087115.

The spelling of 125145563 in words is "one hundred twenty-five million, one hundred forty-five thousand, five hundred sixty-three".