395145121 has 8 divisors (see below), whose sum is σ = 461203200. Its totient is φ = 331489248.

The previous prime is 395145077. The next prime is 395145151. The reversal of 395145121 is 121541593.

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 395145121 - 2⁷ = 395144993 is a prime.

It is a super-2 number, since 2×395145121² = 312279333300209282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (395145151) 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 7 ways as a sum of consecutive naturals, for example, 600196 + ... + 600853.

It is an arithmetic number, because the mean of its divisors is an integer number (57650400).

Almost surely, 2^395145121 is an apocalyptic number.

It is an amenable number.

395145121 is a deficient number, since it is larger than the sum of its proper divisors (66058079).

395145121 is a wasteful number, since it uses less digits than its factorization.

395145121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1201103.

The product of its digits is 5400, while the sum is 31.

The square root of 395145121 is about 19878.2574940562. The cubic root of 395145121 is about 733.8132365421.

The spelling of 395145121 in words is "three hundred ninety-five million, one hundred forty-five thousand, one hundred twenty-one".