2112401 has 8 divisors (see below), whose sum is σ = 2255520. Its totient is φ = 1972512.

The previous prime is 2112353. The next prime is 2112413. The reversal of 2112401 is 1042112.

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

It is a cyclic number.

It is not a de Polignac number, because 2112401 - 2⁶ = 2112337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2112601) 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, 626 + ... + 2148.

It is an arithmetic number, because the mean of its divisors is an integer number (281940).

2^2112401 is an apocalyptic number.

It is an amenable number.

2112401 is a deficient number, since it is larger than the sum of its proper divisors (143119).

2112401 is a wasteful number, since it uses less digits than its factorization.

2112401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1615.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 2112401 is about 1453.4101279405. The cubic root of 2112401 is about 128.3094927697.

Adding to 2112401 its reverse (1042112), we get a palindrome (3154513).

The spelling of 2112401 in words is "two million, one hundred twelve thousand, four hundred one".