1921112 has 8 divisors (see below), whose sum is σ = 3602100. Its totient is φ = 960552.

The previous prime is 1921103. The next prime is 1921123. The reversal of 1921112 is 2111291.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120062 + ... + 120077.

2^1921112 is an apocalyptic number.

It is an amenable number.

1921112 is a deficient number, since it is larger than the sum of its proper divisors (1680988).

1921112 is a wasteful number, since it uses less digits than its factorization.

1921112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240145 (or 240141 counting only the distinct ones).

The product of its digits is 36, while the sum is 17.

The square root of 1921112 is about 1386.0418464101. The cubic root of 1921112 is about 124.3132903472.

The spelling of 1921112 in words is "one million, nine hundred twenty-one thousand, one hundred twelve".