347052121 has 8 divisors (see below), whose sum is σ = 374794560. Its totient is φ = 319459152.

The previous prime is 347052113. The next prime is 347052131. The reversal of 347052121 is 121250743.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 347052121 - 2³ = 347052113 is a prime.

It is a super-3 number, since 3×347052121³ (a number of 27 digits) contains 333 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (347052131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32515 + ... + 41848.

It is an arithmetic number, because the mean of its divisors is an integer number (46849320).

Almost surely, 2^347052121 is an apocalyptic number.

It is an amenable number.

347052121 is a deficient number, since it is larger than the sum of its proper divisors (27742439).

347052121 is a wasteful number, since it uses less digits than its factorization.

347052121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74735.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 347052121 is about 18629.3349586076. The cubic root of 347052121 is about 702.7457605288.

The spelling of 347052121 in words is "three hundred forty-seven million, fifty-two thousand, one hundred twenty-one".