106681801 has 2 divisors, whose sum is σ = 106681802. Its totient is φ = 106681800.

The previous prime is 106681793. The next prime is 106681823. The reversal of 106681801 is 108186601.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 106605625 + 76176 = 10325^2 + 276^2 .

It is a cyclic number.

It is not a de Polignac number, because 106681801 - 2³ = 106681793 is a prime.

It is a super-2 number, since 2×106681801² = 22762013329207202, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (106681891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53340900 + 53340901.

It is an arithmetic number, because the mean of its divisors is an integer number (53340901).

Almost surely, 2^106681801 is an apocalyptic number.

It is an amenable number.

106681801 is a deficient number, since it is larger than the sum of its proper divisors (1).

106681801 is an equidigital number, since it uses as much as digits as its factorization.

106681801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 31.

The square root of 106681801 is about 10328.6882516610. The cubic root of 106681801 is about 474.2748692083.

The spelling of 106681801 in words is "one hundred six million, six hundred eighty-one thousand, eight hundred one".