2861101 has 4 divisors (see below), whose sum is σ = 2903872. Its totient is φ = 2818332.

The previous prime is 2861081. The next prime is 2861107. The reversal of 2861101 is 1011682.

2861101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2861101 - 2⁷ = 2860973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2861107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21285 + ... + 21418.

It is an arithmetic number, because the mean of its divisors is an integer number (725968).

2^2861101 is an apocalyptic number.

It is an amenable number.

2861101 is a deficient number, since it is larger than the sum of its proper divisors (42771).

2861101 is an equidigital number, since it uses as much as digits as its factorization.

2861101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42770.

The product of its (nonzero) digits is 96, while the sum is 19.

The square root of 2861101 is about 1691.4789386806. The cubic root of 2861101 is about 141.9638372503.

Adding to 2861101 its reverse (1011682), we get a palindrome (3872783).

The spelling of 2861101 in words is "two million, eight hundred sixty-one thousand, one hundred one".