354404121 has 8 divisors (see below), whose sum is σ = 487782144. Its totient is φ = 228647760.

The previous prime is 354404081. The next prime is 354404137. The reversal of 354404121 is 121404453.

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

It is not a de Polignac number, because 354404121 - 2⁷ = 354403993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 354404091 and 354404100.

It is not an unprimeable number, because it can be changed into a prime (354404161) 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, 1905306 + ... + 1905491.

It is an arithmetic number, because the mean of its divisors is an integer number (60972768).

Almost surely, 2^354404121 is an apocalyptic number.

354404121 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

354404121 is a deficient number, since it is larger than the sum of its proper divisors (133378023).

354404121 is a wasteful number, since it uses less digits than its factorization.

354404121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3810831.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 354404121 is about 18825.6240534013. The cubic root of 354404121 is about 707.6734804977.

Adding to 354404121 its reverse (121404453), we get a palindrome (475808574).

The spelling of 354404121 in words is "three hundred fifty-four million, four hundred four thousand, one hundred twenty-one".