107421817 has 2 divisors, whose sum is σ = 107421818. Its totient is φ = 107421816.

The previous prime is 107421803. The next prime is 107421823. The reversal of 107421817 is 718124701.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56385081 + 51036736 = 7509^2 + 7144^2 .

It is a cyclic number.

It is not a de Polignac number, because 107421817 - 2⁷ = 107421689 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (107421917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53710908 + 53710909.

It is an arithmetic number, because the mean of its divisors is an integer number (53710909).

Almost surely, 2^107421817 is an apocalyptic number.

It is an amenable number.

107421817 is a deficient number, since it is larger than the sum of its proper divisors (1).

107421817 is an equidigital number, since it uses as much as digits as its factorization.

107421817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3136, while the sum is 31.

The square root of 107421817 is about 10364.4496718350. The cubic root of 107421817 is about 475.3689720403.

The spelling of 107421817 in words is "one hundred seven million, four hundred twenty-one thousand, eight hundred seventeen".