1921114 has 16 divisors (see below), whose sum is σ = 3188808. Its totient is φ = 862272.

The previous prime is 1921103. The next prime is 1921123. The reversal of 1921114 is 4111291.

It can be written as a sum of positive squares in 4 ways, for example, as 1172889 + 748225 = 1083^2 + 865^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1921091 and 1921100.

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, 37 + ... + 1960.

2^1921114 is an apocalyptic number.

1921114 is a deficient number, since it is larger than the sum of its proper divisors (1267694).

1921114 is a wasteful number, since it uses less digits than its factorization.

1921114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2049.

The product of its digits is 72, while the sum is 19.

The square root of 1921114 is about 1386.0425678889. The cubic root of 1921114 is about 124.3133334866.

The spelling of 1921114 in words is "one million, nine hundred twenty-one thousand, one hundred fourteen".