125298163 has 2 divisors, whose sum is σ = 125298164. Its totient is φ = 125298162.

The previous prime is 125298137. The next prime is 125298223. The reversal of 125298163 is 361892521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125298163 - 2²¹ = 123201011 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (125298113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62649081 + 62649082.

It is an arithmetic number, because the mean of its divisors is an integer number (62649082).

Almost surely, 2^125298163 is an apocalyptic number.

125298163 is a deficient number, since it is larger than the sum of its proper divisors (1).

125298163 is an equidigital number, since it uses as much as digits as its factorization.

125298163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 37.

The square root of 125298163 is about 11193.6662001330. Note that the first 3 decimals coincide. The cubic root of 125298163 is about 500.3972349918.

The spelling of 125298163 in words is "one hundred twenty-five million, two hundred ninety-eight thousand, one hundred sixty-three".