1922123 has 6 divisors (see below), whose sum is σ = 2235996. Its totient is φ = 1647492.

The previous prime is 1922119. The next prime is 1922147. The reversal of 1922123 is 3212291.

It is not a de Polignac number, because 1922123 - 2² = 1922119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1922095 and 1922104.

It is not an unprimeable number, because it can be changed into a prime (1922153) 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 5 ways as a sum of consecutive naturals, for example, 19565 + ... + 19662.

It is an arithmetic number, because the mean of its divisors is an integer number (372666).

2^1922123 is an apocalyptic number.

1922123 is a deficient number, since it is larger than the sum of its proper divisors (313873).

1922123 is an equidigital number, since it uses as much as digits as its factorization.

1922123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39241 (or 39234 counting only the distinct ones).

The product of its digits is 216, while the sum is 20.

The square root of 1922123 is about 1386.4065060436. The cubic root of 1922123 is about 124.3350934655.

The spelling of 1922123 in words is "one million, nine hundred twenty-two thousand, one hundred twenty-three".