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235121 = 1911231
BaseRepresentation
bin111001011001110001
3102221112012
4321121301
530010441
65012305
71666325
oct713161
9387465
10235121
11150717
12b4095
1383033
1461985
15499eb
hex39671

235121 has 4 divisors (see below), whose sum is σ = 236544. Its totient is φ = 233700.

The previous prime is 235117. The next prime is 235159. The reversal of 235121 is 121532.

It is a happy number.

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 235121 - 22 = 235117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 235096 and 235105.

It is not an unprimeable number, because it can be changed into a prime (235111) 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, 425 + ... + 806.

It is an arithmetic number, because the mean of its divisors is an integer number (59136).

2235121 is an apocalyptic number.

It is an amenable number.

235121 is a deficient number, since it is larger than the sum of its proper divisors (1423).

235121 is a wasteful number, since it uses less digits than its factorization.

235121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1422.

The product of its digits is 60, while the sum is 14.

The square root of 235121 is about 484.8927716516. The cubic root of 235121 is about 61.7206474821.

Adding to 235121 its reverse (121532), we get a palindrome (356653).

The spelling of 235121 in words is "two hundred thirty-five thousand, one hundred twenty-one".

Divisors: 1 191 1231 235121