1241525121 has 16 divisors (see below), whose sum is σ = 1713104448. Its totient is φ = 799156800.

The previous prime is 1241525041. The next prime is 1241525143. The reversal of 1241525121 is 1215251421.

It is a happy number.

It is not a de Polignac number, because 1241525121 - 2¹⁸ = 1241262977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1241525091 and 1241525100.

It is not an unprimeable number, because it can be changed into a prime (1241525161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28150 + ... + 57231.

It is an arithmetic number, because the mean of its divisors is an integer number (107069028).

Almost surely, 2^1241525121 is an apocalyptic number.

It is an amenable number.

1241525121 is a deficient number, since it is larger than the sum of its proper divisors (471579327).

1241525121 is a wasteful number, since it uses less digits than its factorization.

1241525121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85552.

The product of its digits is 800, while the sum is 24.

The square root of 1241525121 is about 35235.2823317765. The cubic root of 1241525121 is about 1074.7773459188. Note that the first 3 decimals are identical.

Adding to 1241525121 its reverse (1215251421), we get a palindrome (2456776542).

The spelling of 1241525121 in words is "one billion, two hundred forty-one million, five hundred twenty-five thousand, one hundred twenty-one".