354540121 has 8 divisors (see below), whose sum is σ = 383814144. Its totient is φ = 325552080.

The previous prime is 354540119. The next prime is 354540187. The reversal of 354540121 is 121045453.

It is a happy number.

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 354540121 - 2¹ = 354540119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (354543121) 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, 68911 + ... + 73876.

It is an arithmetic number, because the mean of its divisors is an integer number (47976768).

Almost surely, 2^354540121 is an apocalyptic number.

It is an amenable number.

354540121 is a deficient number, since it is larger than the sum of its proper divisors (29274023).

354540121 is a wasteful number, since it uses less digits than its factorization.

354540121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142991.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 354540121 is about 18829.2358049922. The cubic root of 354540121 is about 707.7639904357.

Adding to 354540121 its reverse (121045453), we get a palindrome (475585574).

The spelling of 354540121 in words is "three hundred fifty-four million, five hundred forty thousand, one hundred twenty-one".