2142401 has 8 divisors (see below), whose sum is σ = 2219520. Its totient is φ = 2066688.

The previous prime is 2142397. The next prime is 2142403. The reversal of 2142401 is 1042412.

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 2142401 - 2² = 2142397 is a prime.

It is a Duffinian number.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3425 + ... + 4001.

It is an arithmetic number, because the mean of its divisors is an integer number (277440).

2^2142401 is an apocalyptic number.

It is an amenable number.

2142401 is a deficient number, since it is larger than the sum of its proper divisors (77119).

2142401 is an equidigital number, since it uses as much as digits as its factorization.

2142401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 2142401 is about 1463.6942986840. The cubic root of 2142401 is about 128.9140504726.

Adding to 2142401 its reverse (1042412), we get a palindrome (3184813).

The spelling of 2142401 in words is "two million, one hundred forty-two thousand, four hundred one".