2415200121 has 12 divisors (see below), whose sum is σ = 3540692272. Its totient is φ = 1586101176.

The previous prime is 2415200119. The next prime is 2415200129. The reversal of 2415200121 is 1210025142.

2415200121 is a `hidden beast` number, since 24 + 1 + 520 + 0 + 121 = 666.

It is not a de Polignac number, because 2415200121 - 2¹ = 2415200119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2415200094 and 2415200103.

It is not an unprimeable number, because it can be changed into a prime (2415200129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2002051 + ... + 2003256.

Almost surely, 2^2415200121 is an apocalyptic number.

It is an amenable number.

2415200121 is a deficient number, since it is larger than the sum of its proper divisors (1125492151).

2415200121 is a wasteful number, since it uses less digits than its factorization.

2415200121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4005380 (or 4005377 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 2415200121 is about 49144.6855824717. The cubic root of 2415200121 is about 1341.6864711109.

Adding to 2415200121 its reverse (1210025142), we get a palindrome (3625225263).

The spelling of 2415200121 in words is "two billion, four hundred fifteen million, two hundred thousand, one hundred twenty-one".