2122045 has 8 divisors (see below), whose sum is σ = 2561760. Its totient is φ = 1687440.

The previous prime is 2122039. The next prime is 2122063. The reversal of 2122045 is 5402212.

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

It is not a de Polignac number, because 2122045 - 2⁵ = 2122013 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 291 + ... + 2080.

It is an arithmetic number, because the mean of its divisors is an integer number (320220).

2^2122045 is an apocalyptic number.

It is an amenable number.

2122045 is a deficient number, since it is larger than the sum of its proper divisors (439715).

2122045 is a wasteful number, since it uses less digits than its factorization.

2122045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2555.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 2122045 is about 1456.7240644679. The cubic root of 2122045 is about 128.5044586562.

Adding to 2122045 its reverse (5402212), we get a palindrome (7524257).

The spelling of 2122045 in words is "two million, one hundred twenty-two thousand, forty-five".