1954123 has 4 divisors (see below), whose sum is σ = 1958040. Its totient is φ = 1950208.

The previous prime is 1954111. The next prime is 1954151. The reversal of 1954123 is 3214591.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1954123 - 2¹⁷ = 1823051 is a prime.

It is a d-powerful number, because it can be written as 1 + 9 + 5⁹ + 4⁴ + 1 + 2 + 3⁶ .

It is a Duffinian number.

1954123 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1954153) 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, 1078 + ... + 2251.

It is an arithmetic number, because the mean of its divisors is an integer number (489510).

2^1954123 is an apocalyptic number.

1954123 is a deficient number, since it is larger than the sum of its proper divisors (3917).

1954123 is an equidigital number, since it uses as much as digits as its factorization.

1954123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3916.

The product of its digits is 1080, while the sum is 25.

The square root of 1954123 is about 1397.8994956720. The cubic root of 1954123 is about 125.0212870414.

The spelling of 1954123 in words is "one million, nine hundred fifty-four thousand, one hundred twenty-three".