6735121 has 4 divisors (see below), whose sum is σ = 6770212. Its totient is φ = 6700032.

The previous prime is 6735107. The next prime is 6735151. The reversal of 6735121 is 1215376.

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

It can be written as a sum of positive squares in 2 ways, for example, as 801025 + 5934096 = 895^2 + 2436^2 .

It is a cyclic number.

It is not a de Polignac number, because 6735121 - 2⁵ = 6735089 is a prime.

It is a Duffinian number.

6735121 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6735151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17256 + ... + 17641.

It is an arithmetic number, because the mean of its divisors is an integer number (1692553).

Almost surely, 2^6735121 is an apocalyptic number.

It is an amenable number.

6735121 is a deficient number, since it is larger than the sum of its proper divisors (35091).

6735121 is a wasteful number, since it uses less digits than its factorization.

6735121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35090.

The product of its digits is 1260, while the sum is 25.

The square root of 6735121 is about 2595.2111667454. The cubic root of 6735121 is about 188.8491933629.

The spelling of 6735121 in words is "six million, seven hundred thirty-five thousand, one hundred twenty-one".