125011163 has 2 divisors, whose sum is σ = 125011164. Its totient is φ = 125011162.

The previous prime is 125011157. The next prime is 125011177. The reversal of 125011163 is 361110521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125011163 - 2¹² = 125007067 is a prime.

It is a super-2 number, since 2×125011163² = 31255581749225138, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (125011193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62505581 + 62505582.

It is an arithmetic number, because the mean of its divisors is an integer number (62505582).

Almost surely, 2^125011163 is an apocalyptic number.

125011163 is a deficient number, since it is larger than the sum of its proper divisors (1).

125011163 is an equidigital number, since it uses as much as digits as its factorization.

125011163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 125011163 is about 11180.8391008904. The cubic root of 125011163 is about 500.0148835570.

Adding to 125011163 its reverse (361110521), we get a palindrome (486121684).

The spelling of 125011163 in words is "one hundred twenty-five million, eleven thousand, one hundred sixty-three".