106125281 has 2 divisors, whose sum is σ = 106125282. Its totient is φ = 106125280.

The previous prime is 106125277. The next prime is 106125301. The reversal of 106125281 is 182521601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74304400 + 31820881 = 8620^2 + 5641^2 .

It is a cyclic number.

It is not a de Polignac number, because 106125281 - 2² = 106125277 is a prime.

It is a super-2 number, since 2×106125281² = 22525150534657922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 106125281.

It is not a weakly prime, because it can be changed into another prime (106125251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53062640 + 53062641.

It is an arithmetic number, because the mean of its divisors is an integer number (53062641).

Almost surely, 2^106125281 is an apocalyptic number.

It is an amenable number.

106125281 is a deficient number, since it is larger than the sum of its proper divisors (1).

106125281 is an equidigital number, since it uses as much as digits as its factorization.

106125281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 26.

The square root of 106125281 is about 10301.7125275364. The cubic root of 106125281 is about 473.4487247049.

Adding to 106125281 its reverse (182521601), we get a palindrome (288646882).

The spelling of 106125281 in words is "one hundred six million, one hundred twenty-five thousand, two hundred eighty-one".