353860121 has 4 divisors (see below), whose sum is σ = 353932644. Its totient is φ = 353787600.

The previous prime is 353860109. The next prime is 353860159. The reversal of 353860121 is 121068353.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 262083721 + 91776400 = 16189^2 + 9580^2 .

It is a cyclic number.

It is not a de Polignac number, because 353860121 - 2²² = 349665817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (353860181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28370 + ... + 38891.

It is an arithmetic number, because the mean of its divisors is an integer number (88483161).

Almost surely, 2^353860121 is an apocalyptic number.

It is an amenable number.

353860121 is a deficient number, since it is larger than the sum of its proper divisors (72523).

353860121 is an equidigital number, since it uses as much as digits as its factorization.

353860121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72522.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 353860121 is about 18811.1701124624. The cubic root of 353860121 is about 707.3112090176.

The spelling of 353860121 in words is "three hundred fifty-three million, eight hundred sixty thousand, one hundred twenty-one".