119857 has 4 divisors (see below), whose sum is σ = 124020. Its totient is φ = 115696.

The previous prime is 119851. The next prime is 119869. The reversal of 119857 is 758911.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 758911 = 31 ⋅24481.

It can be written as a sum of positive squares in 2 ways, for example, as 76176 + 43681 = 276^2 + 209^2 .

It is a cyclic number.

It is not a de Polignac number, because 119857 - 2³ = 119849 is a prime.

It is a d-powerful number, because it can be written as 1 + 1 + 8⁵ + 9⁴ + 5⁷ + 7⁴ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (119851) 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, 2038 + ... + 2095.

It is an arithmetic number, because the mean of its divisors is an integer number (31005).

2¹¹⁹⁸⁵⁷ is an apocalyptic number.

It is an amenable number.

119857 is a deficient number, since it is larger than the sum of its proper divisors (4163).

119857 is an equidigital number, since it uses as much as digits as its factorization.

119857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4162.

The product of its digits is 2520, while the sum is 31.

The square root of 119857 is about 346.2036972651. The cubic root of 119857 is about 49.3046410140.

It can be divided in two parts, 1198 and 57, that multiplied together give a palindrome (68286).

The spelling of 119857 in words is "one hundred nineteen thousand, eight hundred fifty-seven".