3378121 has 6 divisors (see below), whose sum is σ = 3588830. Its totient is φ = 3179136.

The previous prime is 3378107. The next prime is 3378127. The reversal of 3378121 is 1218733.

It can be written as a sum of positive squares in 3 ways, for example, as 2496400 + 881721 = 1580^2 + 939^2 .

It is not a de Polignac number, because 3378121 - 2⁷ = 3377993 is a prime.

It is a super-2 number, since 2×3378121² = 22823402981282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3378127) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5556 + ... + 6133.

Almost surely, 2^3378121 is an apocalyptic number.

It is an amenable number.

3378121 is a deficient number, since it is larger than the sum of its proper divisors (210709).

3378121 is a wasteful number, since it uses less digits than its factorization.

3378121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11723 (or 11706 counting only the distinct ones).

The product of its digits is 1008, while the sum is 25.

The square root of 3378121 is about 1837.9665394125. The cubic root of 3378121 is about 150.0462227919.

The spelling of 3378121 in words is "three million, three hundred seventy-eight thousand, one hundred twenty-one".