107243857 has 8 divisors (see below), whose sum is σ = 124877376. Its totient is φ = 90188592.

The previous prime is 107243839. The next prime is 107243863. The reversal of 107243857 is 758342701.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-107243857 is a prime.

It is a super-5 number, since 5×107243857⁵ (a number of 41 digits) contains 55555 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (107243897) 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, 144163 + ... + 144904.

It is an arithmetic number, because the mean of its divisors is an integer number (15609672).

Almost surely, 2^107243857 is an apocalyptic number.

It is an amenable number.

107243857 is a deficient number, since it is larger than the sum of its proper divisors (17633519).

107243857 is an equidigital number, since it uses as much as digits as its factorization.

107243857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289127.

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 107243857 is about 10355.8609975221. The cubic root of 107243857 is about 475.1063207984.

The spelling of 107243857 in words is "one hundred seven million, two hundred forty-three thousand, eight hundred fifty-seven".