1445123 has 4 divisors (see below), whose sum is σ = 1466760. Its totient is φ = 1423488.

The previous prime is 1445117. The next prime is 1445137. The reversal of 1445123 is 3215441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3215441 = 59 ⋅54499.

It is a cyclic number.

It is not a de Polignac number, because 1445123 - 2⁴ = 1445107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1445095 and 1445104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445173) 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, 10718 + ... + 10851.

It is an arithmetic number, because the mean of its divisors is an integer number (366690).

2^1445123 is an apocalyptic number.

1445123 is a deficient number, since it is larger than the sum of its proper divisors (21637).

1445123 is an equidigital number, since it uses as much as digits as its factorization.

1445123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21636.

The product of its digits is 480, while the sum is 20.

The square root of 1445123 is about 1202.1326881838. The cubic root of 1445123 is about 113.0580796271.

The spelling of 1445123 in words is "one million, four hundred forty-five thousand, one hundred twenty-three".