1896123 has 4 divisors (see below), whose sum is σ = 2528168. Its totient is φ = 1264080.

The previous prime is 1896109. The next prime is 1896133. The reversal of 1896123 is 3216981.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3216981 = 3 ⋅1072327.

It is not a de Polignac number, because 1896123 - 2⁵ = 1896091 is a prime.

It is a super-2 number, since 2×1896123² = 7190564862258, which contains 22 as substring.

It is an Ulam number.

It is a D-number.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1896133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 316018 + ... + 316023.

It is an arithmetic number, because the mean of its divisors is an integer number (632042).

2^1896123 is an apocalyptic number.

1896123 is a deficient number, since it is larger than the sum of its proper divisors (632045).

1896123 is an equidigital number, since it uses as much as digits as its factorization.

1896123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632044.

The product of its digits is 2592, while the sum is 30.

The square root of 1896123 is about 1376.9978213490. The cubic root of 1896123 is about 123.7719316297.

It can be divided in two parts, 18 and 96123, that added together give a triangular number (96141 = T₄₃₈).

The spelling of 1896123 in words is "one million, eight hundred ninety-six thousand, one hundred twenty-three".