101256163 has 2 divisors, whose sum is σ = 101256164. Its totient is φ = 101256162.

The previous prime is 101256151. The next prime is 101256179. The reversal of 101256163 is 361652101.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101256163 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 (101256193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50628081 + 50628082.

It is an arithmetic number, because the mean of its divisors is an integer number (50628082).

Almost surely, 2^101256163 is an apocalyptic number.

101256163 is a deficient number, since it is larger than the sum of its proper divisors (1).

101256163 is an equidigital number, since it uses as much as digits as its factorization.

101256163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 101256163 is about 10062.6121360211. The cubic root of 101256163 is about 466.0943324291.

It can be divided in two parts, 1012 and 56163, that added together give a palindrome (57175).

The spelling of 101256163 in words is "one hundred one million, two hundred fifty-six thousand, one hundred sixty-three".