355164121 has 4 divisors (see below), whose sum is σ = 382484452. Its totient is φ = 327843792.

The previous prime is 355164097. The next prime is 355164127. The reversal of 355164121 is 121461553.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 180633600 + 174530521 = 13440^2 + 13211^2 .

It is a cyclic number.

It is not a de Polignac number, because 355164121 - 2¹³ = 355155929 is a prime.

It is a super-2 number, since 2×355164121² = 252283105691405282, 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 355164121.

It is not an unprimeable number, because it can be changed into a prime (355164127) 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, 13660146 + ... + 13660171.

It is an arithmetic number, because the mean of its divisors is an integer number (95621113).

Almost surely, 2^355164121 is an apocalyptic number.

It is an amenable number.

355164121 is a deficient number, since it is larger than the sum of its proper divisors (27320331).

355164121 is a wasteful number, since it uses less digits than its factorization.

355164121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27320330.

The product of its digits is 3600, while the sum is 28.

The square root of 355164121 is about 18845.7984972778. The cubic root of 355164121 is about 708.1789748571.

The spelling of 355164121 in words is "three hundred fifty-five million, one hundred sixty-four thousand, one hundred twenty-one".