2142104 has 8 divisors (see below), whose sum is σ = 4016460. Its totient is φ = 1071048.

The previous prime is 2142097. The next prime is 2142121. The reversal of 2142104 is 4012412.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133874 + ... + 133889.

2^2142104 is an apocalyptic number.

It is an amenable number.

2142104 is a deficient number, since it is larger than the sum of its proper divisors (1874356).

2142104 is a wasteful number, since it uses less digits than its factorization.

2142104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267769 (or 267765 counting only the distinct ones).

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

The square root of 2142104 is about 1463.5928395561. The cubic root of 2142104 is about 128.9080931001.

Adding to 2142104 its reverse (4012412), we get a palindrome (6154516).

The spelling of 2142104 in words is "two million, one hundred forty-two thousand, one hundred four".