1392123 has 8 divisors (see below), whose sum is σ = 1861648. Its totient is φ = 925344.

The previous prime is 1392103. The next prime is 1392133. The reversal of 1392123 is 3212931.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1392123 - 2¹⁴ = 1375739 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1392123.

It is not an unprimeable number, because it can be changed into a prime (1392103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1461 + ... + 2217.

It is an arithmetic number, because the mean of its divisors is an integer number (232706).

2^1392123 is an apocalyptic number.

1392123 is a deficient number, since it is larger than the sum of its proper divisors (469525).

1392123 is an equidigital number, since it uses as much as digits as its factorization.

1392123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1373.

The product of its digits is 324, while the sum is 21.

The square root of 1392123 is about 1179.8826212806. The cubic root of 1392123 is about 111.6586920371.

The spelling of 1392123 in words is "one million, three hundred ninety-two thousand, one hundred twenty-three".