4513121001 has 12 divisors (see below), whose sum is σ = 6521997300. Its totient is φ = 3007342080.

The previous prime is 4513120999. The next prime is 4513121033. The reversal of 4513121001 is 1001213154.

4513121001 is a `hidden beast` number, since 451 + 3 + 1 + 210 + 0 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2946861225 + 1566259776 = 54285^2 + 39576^2 .

It is not a de Polignac number, because 4513121001 - 2¹ = 4513120999 is a prime.

It is a super-2 number, since 2×4513121001² = 40736522339334484002, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4513121101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96576 + ... + 135473.

It is an arithmetic number, because the mean of its divisors is an integer number (543499775).

Almost surely, 2^4513121001 is an apocalyptic number.

It is an amenable number.

4513121001 is a deficient number, since it is larger than the sum of its proper divisors (2008876299).

4513121001 is a wasteful number, since it uses less digits than its factorization.

4513121001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234216 (or 234213 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 4513121001 is about 67179.7663065301. The cubic root of 4513121001 is about 1652.5666818738.

Adding to 4513121001 its reverse (1001213154), we get a palindrome (5514334155).

The spelling of 4513121001 in words is "four billion, five hundred thirteen million, one hundred twenty-one thousand, one".