207157 has 4 divisors (see below), whose sum is σ = 218080. Its totient is φ = 196236.

The previous prime is 207139. The next prime is 207169. The reversal of 207157 is 751702.

207157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 207157 - 2⁷ = 207029 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (207127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5433 + ... + 5470.

It is an arithmetic number, because the mean of its divisors is an integer number (54520).

2²⁰⁷¹⁵⁷ is an apocalyptic number.

It is an amenable number.

207157 is a deficient number, since it is larger than the sum of its proper divisors (10923).

207157 is a wasteful number, since it uses less digits than its factorization.

207157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10922.

The product of its (nonzero) digits is 490, while the sum is 22.

The square root of 207157 is about 455.1450318305. The cubic root of 207157 is about 59.1697686222.

Adding to 207157 its reverse (751702), we get a palindrome (958859).

The spelling of 207157 in words is "two hundred seven thousand, one hundred fifty-seven".