107172805 has 8 divisors (see below), whose sum is σ = 129809952. Its totient is φ = 84936528.

The previous prime is 107172781. The next prime is 107172809. The reversal of 107172805 is 508271701.

It is a happy number.

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 107172805 - 2¹⁷ = 107041733 is a prime.

It is a super-2 number, since 2×107172805² = 22972020263136050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107172809) 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, 99627 + ... + 100696.

It is an arithmetic number, because the mean of its divisors is an integer number (16226244).

Almost surely, 2^107172805 is an apocalyptic number.

It is an amenable number.

107172805 is a deficient number, since it is larger than the sum of its proper divisors (22637147).

107172805 is a wasteful number, since it uses less digits than its factorization.

107172805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200435.

The product of its (nonzero) digits is 3920, while the sum is 31.

The square root of 107172805 is about 10352.4299079974. The cubic root of 107172805 is about 475.0013739572.

The spelling of 107172805 in words is "one hundred seven million, one hundred seventy-two thousand, eight hundred five".