353540121 has 16 divisors (see below), whose sum is σ = 515144448. Its totient is φ = 213890000.

The previous prime is 353540111. The next prime is 353540149. The reversal of 353540121 is 121045353.

It is a cyclic number.

It is not a de Polignac number, because 353540121 - 2²² = 349345817 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 353540091 and 353540100.

It is not an unprimeable number, because it can be changed into a prime (353540101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10246 + ... + 28496.

It is an arithmetic number, because the mean of its divisors is an integer number (32196528).

Almost surely, 2^353540121 is an apocalyptic number.

It is an amenable number.

353540121 is a deficient number, since it is larger than the sum of its proper divisors (161604327).

353540121 is a wasteful number, since it uses less digits than its factorization.

353540121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18852.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 353540121 is about 18802.6626040037. The cubic root of 353540121 is about 707.0979346804.

Adding to 353540121 its reverse (121045353), we get a palindrome (474585474).

The spelling of 353540121 in words is "three hundred fifty-three million, five hundred forty thousand, one hundred twenty-one".