106199761 has 2 divisors, whose sum is σ = 106199762. Its totient is φ = 106199760.

The previous prime is 106199749. The next prime is 106199767. The reversal of 106199761 is 167991601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62110161 + 44089600 = 7881^2 + 6640^2 .

It is an emirp because it is prime and its reverse (167991601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 106199761 - 2⁵ = 106199729 is a prime.

It is a super-2 number, since 2×106199761² = 22556778472914242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (106199767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53099880 + 53099881.

It is an arithmetic number, because the mean of its divisors is an integer number (53099881).

Almost surely, 2^106199761 is an apocalyptic number.

It is an amenable number.

106199761 is a deficient number, since it is larger than the sum of its proper divisors (1).

106199761 is an equidigital number, since it uses as much as digits as its factorization.

106199761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20412, while the sum is 40.

The square root of 106199761 is about 10305.3268264524. The cubic root of 106199761 is about 473.5594561432.

The spelling of 106199761 in words is "one hundred six million, one hundred ninety-nine thousand, seven hundred sixty-one".