106172459 has 2 divisors, whose sum is σ = 106172460. Its totient is φ = 106172458.

The previous prime is 106172413. The next prime is 106172467. The reversal of 106172459 is 954271601.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-106172459 is a prime.

It is a super-2 number, since 2×106172459² = 22545182100213362, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (106172159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53086229 + 53086230.

It is an arithmetic number, because the mean of its divisors is an integer number (53086230).

Almost surely, 2^106172459 is an apocalyptic number.

106172459 is a deficient number, since it is larger than the sum of its proper divisors (1).

106172459 is an equidigital number, since it uses as much as digits as its factorization.

106172459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 106172459 is about 10304.0020865681. The cubic root of 106172459 is about 473.5188715310.

The spelling of 106172459 in words is "one hundred six million, one hundred seventy-two thousand, four hundred fifty-nine".