2112146 has 4 divisors (see below), whose sum is σ = 3168222. Its totient is φ = 1056072.

The previous prime is 2112139. The next prime is 2112151. The reversal of 2112146 is 6412112.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1792921 + 319225 = 1339^2 + 565^2 .

It is a super-2 number, since 2×2112146² = 8922321450632, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528035 + ... + 528038.

2^2112146 is an apocalyptic number.

2112146 is a deficient number, since it is larger than the sum of its proper divisors (1056076).

2112146 is a wasteful number, since it uses less digits than its factorization.

2112146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056075.

The product of its digits is 96, while the sum is 17.

The square root of 2112146 is about 1453.3224005705. The cubic root of 2112146 is about 128.3043295712.

Adding to 2112146 its reverse (6412112), we get a palindrome (8524258).

It can be divided in two parts, 21 and 12146, that added together give a cube (12167 = 23³).

The spelling of 2112146 in words is "two million, one hundred twelve thousand, one hundred forty-six".