1504123 has 4 divisors (see below), whose sum is σ = 1515240. Its totient is φ = 1493008.

The previous prime is 1504121. The next prime is 1504147. The reversal of 1504123 is 3214051.

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 1504123 - 2¹ = 1504121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1504097 and 1504106.

It is not an unprimeable number, because it can be changed into a prime (1504121) 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, 5353 + ... + 5626.

It is an arithmetic number, because the mean of its divisors is an integer number (378810).

2^1504123 is an apocalyptic number.

1504123 is a deficient number, since it is larger than the sum of its proper divisors (11117).

1504123 is a wasteful number, since it uses less digits than its factorization.

1504123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11116.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 1504123 is about 1226.4269240358. The cubic root of 1504123 is about 114.5762095700.

Adding to 1504123 its reverse (3214051), we get a palindrome (4718174).

The spelling of 1504123 in words is "one million, five hundred four thousand, one hundred twenty-three".