352340121 has 16 divisors (see below), whose sum is σ = 544256384. Its totient is φ = 198578304.

The previous prime is 352340099. The next prime is 352340143. The reversal of 352340121 is 121043253.

It is an interprime number because it is at equal distance from previous prime (352340099) and next prime (352340143).

It is not a de Polignac number, because 352340121 - 2¹⁷ = 352209049 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (352340171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113386 + ... + 116451.

It is an arithmetic number, because the mean of its divisors is an integer number (34016024).

Almost surely, 2^352340121 is an apocalyptic number.

It is an amenable number.

352340121 is a deficient number, since it is larger than the sum of its proper divisors (191916263).

352340121 is a wasteful number, since it uses less digits than its factorization.

352340121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229920.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 352340121 is about 18770.7251058663. The cubic root of 352340121 is about 706.2970077986.

Adding to 352340121 its reverse (121043253), we get a palindrome (473383374).

The spelling of 352340121 in words is "three hundred fifty-two million, three hundred forty thousand, one hundred twenty-one".