106743257 has 2 divisors, whose sum is σ = 106743258. Its totient is φ = 106743256.

The previous prime is 106743239. The next prime is 106743281. The reversal of 106743257 is 752347601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94556176 + 12187081 = 9724^2 + 3491^2 .

It is a cyclic number.

It is not a de Polignac number, because 106743257 - 2⁶ = 106743193 is a prime.

It is a super-2 number, since 2×106743257² = 22788245829936098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (106742257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53371628 + 53371629.

It is an arithmetic number, because the mean of its divisors is an integer number (53371629).

Almost surely, 2^106743257 is an apocalyptic number.

It is an amenable number.

106743257 is a deficient number, since it is larger than the sum of its proper divisors (1).

106743257 is an equidigital number, since it uses as much as digits as its factorization.

106743257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 106743257 is about 10331.6628380915. The cubic root of 106743257 is about 474.3659232931.

It can be divided in two parts, 10674 and 3257, that added together give a palindrome (13931).

The spelling of 106743257 in words is "one hundred six million, seven hundred forty-three thousand, two hundred fifty-seven".