1641117 has 8 divisors (see below), whose sum is σ = 2197024. Its totient is φ = 1089648.

The previous prime is 1641103. The next prime is 1641131. The reversal of 1641117 is 7111461.

It is an interprime number because it is at equal distance from previous prime (1641103) and next prime (1641131).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1641117 - 2⁶ = 1641053 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1641093 and 1641102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1641137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118 + ... + 1815.

It is an arithmetic number, because the mean of its divisors is an integer number (274628).

2^1641117 is an apocalyptic number.

It is an amenable number.

1641117 is a deficient number, since it is larger than the sum of its proper divisors (555907).

1641117 is a wasteful number, since it uses less digits than its factorization.

1641117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2219.

The product of its digits is 168, while the sum is 21.

The square root of 1641117 is about 1281.0608884827. The cubic root of 1641117 is about 117.9541380715.

Adding to 1641117 its reverse (7111461), we get a palindrome (8752578).

The spelling of 1641117 in words is "one million, six hundred forty-one thousand, one hundred seventeen".