353040121 has 16 divisors (see below), whose sum is σ = 438415360. Its totient is φ = 277428240.

The previous prime is 353040109. The next prime is 353040143. The reversal of 353040121 is 121040353.

It is a cyclic number.

It is not a de Polignac number, because 353040121 - 2⁷ = 353039993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (353040151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38691 + ... + 46936.

It is an arithmetic number, because the mean of its divisors is an integer number (27400960).

Almost surely, 2^353040121 is an apocalyptic number.

353040121 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

353040121 is a deficient number, since it is larger than the sum of its proper divisors (85375239).

353040121 is a wasteful number, since it uses less digits than its factorization.

353040121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85684.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 353040121 is about 18789.3619104003. The cubic root of 353040121 is about 706.7644357380.

Adding to 353040121 its reverse (121040353), we get a palindrome (474080474).

The spelling of 353040121 in words is "three hundred fifty-three million, forty thousand, one hundred twenty-one".