350003121 has 16 divisors (see below), whose sum is σ = 524420736. Its totient is φ = 206021376.

The previous prime is 350003119. The next prime is 350003131. The reversal of 350003121 is 121300053.

It is a happy number.

It is not a de Polignac number, because 350003121 - 2¹ = 350003119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 350003121.

It is not an unprimeable number, because it can be changed into a prime (350003131) 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, 194200 + ... + 195993.

It is an arithmetic number, because the mean of its divisors is an integer number (32776296).

Almost surely, 2^350003121 is an apocalyptic number.

It is an amenable number.

350003121 is a deficient number, since it is larger than the sum of its proper divisors (174417615).

350003121 is a wasteful number, since it uses less digits than its factorization.

350003121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390232.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 350003121 is about 18708.3703459174. The cubic root of 350003121 is about 704.7319679259.

Adding to 350003121 its reverse (121300053), we get a palindrome (471303174).

The spelling of 350003121 in words is "three hundred fifty million, three thousand, one hundred twenty-one".