4121541530 has 8 divisors (see below), whose sum is σ = 7418774772. Its totient is φ = 1648616608.

The previous prime is 4121541493. The next prime is 4121541559. The reversal of 4121541530 is 351451214.

It can be written as a sum of positive squares in 2 ways, for example, as 4121511601 + 29929 = 64199^2 + 173^2 .

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4121541530.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206077067 + ... + 206077086.

Almost surely, 2^4121541530 is an apocalyptic number.

4121541530 is a deficient number, since it is larger than the sum of its proper divisors (3297233242).

4121541530 is a wasteful number, since it uses less digits than its factorization.

4121541530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412154160.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 4121541530 is about 64199.2330951079. The cubic root of 4121541530 is about 1603.3188311421.

Adding to 4121541530 its reverse (351451214), we get a palindrome (4472992744).

The spelling of 4121541530 in words is "four billion, one hundred twenty-one million, five hundred forty-one thousand, five hundred thirty".