2178113 has 8 divisors (see below), whose sum is σ = 2498880. Its totient is φ = 1859760.

The previous prime is 2178083. The next prime is 2178131. The reversal of 2178113 is 3118712.

It is a happy number.

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

It is not a de Polignac number, because 2178113 - 2⁶ = 2178049 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2178133) 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, 2243 + ... + 3063.

It is an arithmetic number, because the mean of its divisors is an integer number (312360).

2^2178113 is an apocalyptic number.

It is an amenable number.

2178113 is a deficient number, since it is larger than the sum of its proper divisors (320767).

2178113 is an equidigital number, since it uses as much as digits as its factorization.

2178113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1207.

The product of its digits is 336, while the sum is 23.

The square root of 2178113 is about 1475.8431488475. The cubic root of 2178113 is about 129.6264027204.

The spelling of 2178113 in words is "two million, one hundred seventy-eight thousand, one hundred thirteen".