6617121 has 16 divisors (see below), whose sum is σ = 10235904. Its totient is φ = 3723984.

The previous prime is 6617087. The next prime is 6617159. The reversal of 6617121 is 1217166.

It is not a de Polignac number, because 6617121 - 2⁶ = 6617057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6617091 and 6617100.

It is not an unprimeable number, because it can be changed into a prime (6617161) 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, 945 + ... + 3758.

It is an arithmetic number, because the mean of its divisors is an integer number (639744).

Almost surely, 2^6617121 is an apocalyptic number.

It is an amenable number.

6617121 is a deficient number, since it is larger than the sum of its proper divisors (3618783).

6617121 is a wasteful number, since it uses less digits than its factorization.

6617121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4780.

The product of its digits is 504, while the sum is 24.

The square root of 6617121 is about 2572.3765276491. The cubic root of 6617121 is about 187.7398033946.

The spelling of 6617121 in words is "six million, six hundred seventeen thousand, one hundred twenty-one".