354117121 has 8 divisors (see below), whose sum is σ = 364253864. Its totient is φ = 344010240.

The previous prime is 354117119. The next prime is 354117151. The reversal of 354117121 is 121711453.

It can be written as a sum of positive squares in 4 ways, for example, as 121859521 + 232257600 = 11039^2 + 15240^2 .

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 354117121 - 2¹ = 354117119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (354117151) 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, 17791 + ... + 32011.

It is an arithmetic number, because the mean of its divisors is an integer number (45531733).

Almost surely, 2^354117121 is an apocalyptic number.

It is an amenable number.

354117121 is a deficient number, since it is larger than the sum of its proper divisors (10136743).

354117121 is a wasteful number, since it uses less digits than its factorization.

354117121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14931.

The product of its digits is 840, while the sum is 25.

The square root of 354117121 is about 18817.9999202891. Note that the first 4 decimals coincide. The cubic root of 354117121 is about 707.4824018897.

Adding to 354117121 its reverse (121711453), we get a palindrome (475828574).

The spelling of 354117121 in words is "three hundred fifty-four million, one hundred seventeen thousand, one hundred twenty-one".