106870961 has 2 divisors, whose sum is σ = 106870962. Its totient is φ = 106870960.

The previous prime is 106870957. The next prime is 106870987. The reversal of 106870961 is 169078601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100620961 + 6250000 = 10031^2 + 2500^2 .

It is a cyclic number.

It is not a de Polignac number, because 106870961 - 2² = 106870957 is a prime.

It is a super-2 number, since 2×106870961² = 22842804610127042, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (106870931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53435480 + 53435481.

It is an arithmetic number, because the mean of its divisors is an integer number (53435481).

Almost surely, 2^106870961 is an apocalyptic number.

It is an amenable number.

106870961 is a deficient number, since it is larger than the sum of its proper divisors (1).

106870961 is an equidigital number, since it uses as much as digits as its factorization.

106870961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 106870961 is about 10337.8412156504. The cubic root of 106870961 is about 474.5550196527. Note that the first 3 decimals are identical.

The spelling of 106870961 in words is "one hundred six million, eight hundred seventy thousand, nine hundred sixty-one".