107121617 has 4 divisors (see below), whose sum is σ = 107252916. Its totient is φ = 106990320.

The previous prime is 107121611. The next prime is 107121631. The reversal of 107121617 is 716121701.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18309841 + 88811776 = 4279^2 + 9424^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-107121617 is a prime.

It is a super-2 number, since 2×107121617² = 22950081657389378, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (107121611) 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 in 3 ways as a sum of consecutive naturals, for example, 64418 + ... + 66059.

It is an arithmetic number, because the mean of its divisors is an integer number (26813229).

Almost surely, 2^107121617 is an apocalyptic number.

It is an amenable number.

107121617 is a deficient number, since it is larger than the sum of its proper divisors (131299).

107121617 is an equidigital number, since it uses as much as digits as its factorization.

107121617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131298.

The product of its (nonzero) digits is 588, while the sum is 26.

The square root of 107121617 is about 10349.9573429073. The cubic root of 107121617 is about 474.9257383443.

The spelling of 107121617 in words is "one hundred seven million, one hundred twenty-one thousand, six hundred seventeen".