2142064 has 20 divisors (see below), whose sum is σ = 4202856. Its totient is φ = 1057472.

The previous prime is 2142061. The next prime is 2142067. The reversal of 2142064 is 4602412.

It is an interprime number because it is at equal distance from previous prime (2142061) and next prime (2142067).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 522 + ... + 2134.

2^2142064 is an apocalyptic number.

It is an amenable number.

2142064 is a deficient number, since it is larger than the sum of its proper divisors (2060792).

2142064 is a wasteful number, since it uses less digits than its factorization.

2142064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1704 (or 1698 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2142064 is about 1463.5791744897. The cubic root of 2142064 is about 128.9072907183.

Adding to 2142064 its reverse (4602412), we get a palindrome (6744476).

It can be divided in two parts, 214 and 2064, that added together give a triangular number (2278 = T₆₇).

The spelling of 2142064 in words is "two million, one hundred forty-two thousand, sixty-four".