6904121 has 16 divisors (see below), whose sum is σ = 8169600. Its totient is φ = 5712768.

The previous prime is 6904109. The next prime is 6904129. The reversal of 6904121 is 1214096.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 6904121 - 2¹⁸ = 6641977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6904129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30035 + ... + 30263.

It is an arithmetic number, because the mean of its divisors is an integer number (510600).

Almost surely, 2^6904121 is an apocalyptic number.

It is an amenable number.

6904121 is a deficient number, since it is larger than the sum of its proper divisors (1265479).

6904121 is a wasteful number, since it uses less digits than its factorization.

6904121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 6904121 is about 2627.5694091689. The cubic root of 6904121 is about 190.4157194758.

The spelling of 6904121 in words is "six million, nine hundred four thousand, one hundred twenty-one".