3406021121 has 4 divisors (see below), whose sum is σ = 3407617092. Its totient is φ = 3404425152.

The previous prime is 3406021109. The next prime is 3406021133. The reversal of 3406021121 is 1211206043.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (3406021109) and next prime (3406021133).

It can be written as a sum of positive squares in 2 ways, for example, as 1275275521 + 2130745600 = 35711^2 + 46160^2 .

It is a cyclic number.

It is not a de Polignac number, because 3406021121 - 2¹⁰ = 3406020097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3406021093 and 3406021102.

It is not an unprimeable number, because it can be changed into a prime (3406021321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 794780 + ... + 799053.

It is an arithmetic number, because the mean of its divisors is an integer number (851904273).

Almost surely, 2^3406021121 is an apocalyptic number.

It is an amenable number.

3406021121 is a deficient number, since it is larger than the sum of its proper divisors (1595971).

3406021121 is a wasteful number, since it uses less digits than its factorization.

3406021121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1595970.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 3406021121 is about 58361.1267968671. The cubic root of 3406021121 is about 1504.5817126536.

Adding to 3406021121 its reverse (1211206043), we get a palindrome (4617227164).

The spelling of 3406021121 in words is "three billion, four hundred six million, twenty-one thousand, one hundred twenty-one".