6405050121 has 8 divisors (see below), whose sum is σ = 8667530784. Its totient is φ = 4206301440.

The previous prime is 6405050117. The next prime is 6405050153. The reversal of 6405050121 is 1210505046.

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

It is not a de Polignac number, because 6405050121 - 2² = 6405050117 is a prime.

It is a super-2 number, since 2×6405050121² = 82049334105044229282, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6405050091 and 6405050100.

It is not an unprimeable number, because it can be changed into a prime (6405050111) 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, 15932760 + ... + 15933161.

It is an arithmetic number, because the mean of its divisors is an integer number (1083441348).

Almost surely, 2^6405050121 is an apocalyptic number.

It is an amenable number.

6405050121 is a deficient number, since it is larger than the sum of its proper divisors (2262480663).

6405050121 is a wasteful number, since it uses less digits than its factorization.

6405050121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31865991.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 6405050121 is about 80031.5570322107. The cubic root of 6405050121 is about 1857.1237505791.

Adding to 6405050121 its reverse (1210505046), we get a palindrome (7615555167).

The spelling of 6405050121 in words is "six billion, four hundred five million, fifty thousand, one hundred twenty-one".