1919212 has 18 divisors (see below), whose sum is σ = 3514868. Its totient is φ = 916872.

The previous prime is 1919161. The next prime is 1919231. The reversal of 1919212 is 2129191.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 1663 + ... + 2569.

2^1919212 is an apocalyptic number.

It is an amenable number.

1919212 is a deficient number, since it is larger than the sum of its proper divisors (1595656).

1919212 is a wasteful number, since it uses less digits than its factorization.

1919212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957 (or 932 counting only the distinct ones).

The product of its digits is 324, while the sum is 25.

The square root of 1919212 is about 1385.3562718666. The cubic root of 1919212 is about 124.2722944447.

The spelling of 1919212 in words is "one million, nine hundred nineteen thousand, two hundred twelve".