2122142 has 8 divisors (see below), whose sum is σ = 3472632. Its totient is φ = 964600.

The previous prime is 2122139. The next prime is 2122151. The reversal of 2122142 is 2412212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48209 + ... + 48252.

It is an arithmetic number, because the mean of its divisors is an integer number (434079).

2^2122142 is an apocalyptic number.

2122142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2122142 is a deficient number, since it is larger than the sum of its proper divisors (1350490).

2122142 is a wasteful number, since it uses less digits than its factorization.

2122142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96474.

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

The square root of 2122142 is about 1456.7573579701. The cubic root of 2122142 is about 128.5064166327.

Adding to 2122142 its reverse (2412212), we get a palindrome (4534354).

The spelling of 2122142 in words is "two million, one hundred twenty-two thousand, one hundred forty-two".