1429123 has 4 divisors (see below), whose sum is σ = 1504360. Its totient is φ = 1353888.

The previous prime is 1429117. The next prime is 1429133. The reversal of 1429123 is 3219241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3219241 = 23 ⋅139967.

It is a cyclic number.

It is not a de Polignac number, because 1429123 - 2¹³ = 1420931 is a prime.

It is a Duffinian number.

1429123 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1429094 and 1429103.

It is not an unprimeable number, because it can be changed into a prime (1429133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37590 + ... + 37627.

It is an arithmetic number, because the mean of its divisors is an integer number (376090).

2^1429123 is an apocalyptic number.

1429123 is a deficient number, since it is larger than the sum of its proper divisors (75237).

1429123 is an equidigital number, since it uses as much as digits as its factorization.

1429123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75236.

The product of its digits is 432, while the sum is 22.

The square root of 1429123 is about 1195.4593259497. The cubic root of 1429123 is about 112.6392809895.

The spelling of 1429123 in words is "one million, four hundred twenty-nine thousand, one hundred twenty-three".