3402121005 has 36 divisors (see below), whose sum is σ = 6264321492. Its totient is φ = 1707724800.

The previous prime is 3402120989. The next prime is 3402121013. The reversal of 3402121005 is 5001212043.

It can be written as a sum of positive squares in 6 ways, for example, as 11737476 + 3390383529 = 3426^2 + 58227^2 .

It is not a de Polignac number, because 3402121005 - 2⁴ = 3402120989 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 117796 + ... + 143805.

Almost surely, 2^3402121005 is an apocalyptic number.

It is an amenable number.

3402121005 is a deficient number, since it is larger than the sum of its proper divisors (2862200487).

3402121005 is a wasteful number, since it uses less digits than its factorization.

3402121005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261646 (or 261626 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 3402121005 is about 58327.7035807171. The cubic root of 3402121005 is about 1504.0072119686.

Adding to 3402121005 its reverse (5001212043), we get a palindrome (8403333048).

The spelling of 3402121005 in words is "three billion, four hundred two million, one hundred twenty-one thousand, five".