1894122 has 12 divisors (see below), whose sum is σ = 4103970. Its totient is φ = 631368.

The previous prime is 1894121. The next prime is 1894127. The reversal of 1894122 is 2214981.

It can be written as a sum of positive squares in only one way, i.e., 1121481 + 772641 = 1059^2 + 879^2 .

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1894121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 52597 + ... + 52632.

2^1894122 is an apocalyptic number.

1894122 is an abundant number, since it is smaller than the sum of its proper divisors (2209848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1894122 is a wasteful number, since it uses less digits than its factorization.

1894122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105237 (or 105234 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The square root of 1894122 is about 1376.2710488854. The cubic root of 1894122 is about 123.7283769995.

It can be divided in two parts, 1894 and 122, that added together give a triangular number (2016 = T₆₃).

The spelling of 1894122 in words is "one million, eight hundred ninety-four thousand, one hundred twenty-two".