355121 has 8 divisors (see below), whose sum is σ = 389760. Its totient is φ = 321552.

The previous prime is 355111. The next prime is 355127. The reversal of 355121 is 121553.

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 355121 - 2⁶ = 355057 is a prime.

It is a super-2 number, since 2×355121² = 252221849282, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 355121.

It is not an unprimeable number, because it can be changed into a prime (355127) 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, 536 + ... + 998.

It is an arithmetic number, because the mean of its divisors is an integer number (48720).

2³⁵⁵¹²¹ is an apocalyptic number.

It is an amenable number.

355121 is a deficient number, since it is larger than the sum of its proper divisors (34639).

355121 is a wasteful number, since it uses less digits than its factorization.

355121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535.

The product of its digits is 150, while the sum is 17.

The square root of 355121 is about 595.9202966840. The cubic root of 355121 is about 70.8150313346.

Adding to 355121 its reverse (121553), we get a palindrome (476674).

The spelling of 355121 in words is "three hundred fifty-five thousand, one hundred twenty-one".