107000021 has 8 divisors (see below), whose sum is σ = 108597720. Its totient is φ = 105412608.

The previous prime is 107000017. The next prime is 107000027. The reversal of 107000021 is 120000701.

It can be written as a sum of positive squares in 4 ways, for example, as 15319396 + 91680625 = 3914^2 + 9575^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 107000021 - 2² = 107000017 is a prime.

It is a super-2 number, since 2×107000021² = 22898008988000882, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 106999966 and 107000011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107000027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19805 + ... + 24621.

It is an arithmetic number, because the mean of its divisors is an integer number (13574715).

Almost surely, 2^107000021 is an apocalyptic number.

It is an amenable number.

107000021 is a deficient number, since it is larger than the sum of its proper divisors (1597699).

107000021 is an equidigital number, since it uses as much as digits as its factorization.

107000021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5143.

The product of its (nonzero) digits is 14, while the sum is 11.

The square root of 107000021 is about 10344.0814478619. The cubic root of 107000021 is about 474.7459709105.

Adding to 107000021 its reverse (120000701), we get a palindrome (227000722).

The spelling of 107000021 in words is "one hundred seven million, twenty-one", and thus it is an aban number.