125776163 has 2 divisors, whose sum is σ = 125776164. Its totient is φ = 125776162.

The previous prime is 125776139. The next prime is 125776169. The reversal of 125776163 is 361677521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125776163 - 2⁸ = 125775907 is a prime.

It is a super-4 number, since 4×125776163⁴ (a number of 34 digits) contains 4444 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (125776169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62888081 + 62888082.

It is an arithmetic number, because the mean of its divisors is an integer number (62888082).

Almost surely, 2^125776163 is an apocalyptic number.

125776163 is a deficient number, since it is larger than the sum of its proper divisors (1).

125776163 is an equidigital number, since it uses as much as digits as its factorization.

125776163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52920, while the sum is 38.

The square root of 125776163 is about 11214.9972358445. The cubic root of 125776163 is about 501.0327493887.

The spelling of 125776163 in words is "one hundred twenty-five million, seven hundred seventy-six thousand, one hundred sixty-three".