6181101 has 6 divisors (see below), whose sum is σ = 8928270. Its totient is φ = 4120728.

The previous prime is 6181079. The next prime is 6181103. The reversal of 6181101 is 1011816.

It can be written as a sum of positive squares in only one way, i.e., 5171076 + 1010025 = 2274^2 + 1005^2 .

It is not a de Polignac number, because 6181101 - 2⁹ = 6180589 is a prime.

6181101 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6181103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 343386 + ... + 343403.

It is an arithmetic number, because the mean of its divisors is an integer number (1488045).

Almost surely, 2^6181101 is an apocalyptic number.

It is an amenable number.

6181101 is a deficient number, since it is larger than the sum of its proper divisors (2747169).

6181101 is a wasteful number, since it uses less digits than its factorization.

6181101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686795 (or 686792 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

The square root of 6181101 is about 2486.1820126451. The cubic root of 6181101 is about 183.5222027893.

Adding to 6181101 its reverse (1011816), we get a palindrome (7192917).

The spelling of 6181101 in words is "six million, one hundred eighty-one thousand, one hundred one".