2142801 has 16 divisors (see below), whose sum is σ = 3342400. Its totient is φ = 1353024.

The previous prime is 2142793. The next prime is 2142823. The reversal of 2142801 is 1082412.

It is not a de Polignac number, because 2142801 - 2³ = 2142793 is a prime.

It is a super-2 number, since 2×2142801² = 9183192251202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2142001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1576 + ... + 2601.

It is an arithmetic number, because the mean of its divisors is an integer number (208900).

2^2142801 is an apocalyptic number.

It is an amenable number.

2142801 is a deficient number, since it is larger than the sum of its proper divisors (1199599).

2142801 is a wasteful number, since it uses less digits than its factorization.

2142801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4205 (or 4199 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 2142801 is about 1463.8309328608. The cubic root of 2142801 is about 128.9220729998.

The spelling of 2142801 in words is "two million, one hundred forty-two thousand, eight hundred one".