1241600121 has 12 divisors (see below), whose sum is σ = 1793780820. Its totient is φ = 827568000.

The previous prime is 1241600111. The next prime is 1241600123. The reversal of 1241600121 is 1210061421.

1241600121 is a `hidden beast` number, since 1 + 2 + 41 + 600 + 1 + 21 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 720117225 + 521482896 = 26835^2 + 22836^2 .

It is not a de Polignac number, because 1241600121 - 2⁹ = 1241599609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1241600094 and 1241600103.

It is not an unprimeable number, because it can be changed into a prime (1241600123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48621 + ... + 69621.

It is an arithmetic number, because the mean of its divisors is an integer number (149481735).

Almost surely, 2^1241600121 is an apocalyptic number.

It is an amenable number.

1241600121 is a deficient number, since it is larger than the sum of its proper divisors (552180699).

1241600121 is a wasteful number, since it uses less digits than its factorization.

1241600121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27576 (or 27573 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 1241600121 is about 35236.3465898495. The cubic root of 1241600121 is about 1074.7989877625.

Adding to 1241600121 its reverse (1210061421), we get a palindrome (2451661542).

The spelling of 1241600121 in words is "one billion, two hundred forty-one million, six hundred thousand, one hundred twenty-one".