2045122 has 8 divisors (see below), whose sum is σ = 3229200. Its totient is φ = 968724.

The previous prime is 2045093. The next prime is 2045129. The reversal of 2045122 is 2215402.

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

It is a junction number, because it is equal to n+sod(n) for n = 2045096 and 2045105.

It is not an unprimeable number, because it can be changed into a prime (2045129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26872 + ... + 26947.

It is an arithmetic number, because the mean of its divisors is an integer number (403650).

2^2045122 is an apocalyptic number.

2045122 is a deficient number, since it is larger than the sum of its proper divisors (1184078).

2045122 is a wasteful number, since it uses less digits than its factorization.

2045122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53840.

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

The square root of 2045122 is about 1430.0776202710. The cubic root of 2045122 is about 126.9325700700.

The spelling of 2045122 in words is "two million, forty-five thousand, one hundred twenty-two".