3502440121 has 2 divisors, whose sum is σ = 3502440122. Its totient is φ = 3502440120.

The previous prime is 3502440077. The next prime is 3502440133. The reversal of 3502440121 is 1210442053.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3488083600 + 14356521 = 59060^2 + 3789^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3502440121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3502440092 and 3502440101.

It is not a weakly prime, because it can be changed into another prime (3502440191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1751220060 + 1751220061.

It is an arithmetic number, because the mean of its divisors is an integer number (1751220061).

Almost surely, 2^3502440121 is an apocalyptic number.

It is an amenable number.

3502440121 is a deficient number, since it is larger than the sum of its proper divisors (1).

3502440121 is an equidigital number, since it uses as much as digits as its factorization.

3502440121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 3502440121 is about 59181.4170242653. The cubic root of 3502440121 is about 1518.6472441873.

Adding to 3502440121 its reverse (1210442053), we get a palindrome (4712882174).

The spelling of 3502440121 in words is "three billion, five hundred two million, four hundred forty thousand, one hundred twenty-one".