1429273 has 4 divisors (see below), whose sum is σ = 1467940. Its totient is φ = 1390608.

The previous prime is 1429261. The next prime is 1429279. The reversal of 1429273 is 3729241.

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

It can be written as a sum of positive squares in 2 ways, for example, as 597529 + 831744 = 773^2 + 912^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1429273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1429279) 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, 19278 + ... + 19351.

It is an arithmetic number, because the mean of its divisors is an integer number (366985).

2^1429273 is an apocalyptic number.

It is an amenable number.

1429273 is a deficient number, since it is larger than the sum of its proper divisors (38667).

1429273 is an equidigital number, since it uses as much as digits as its factorization.

1429273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38666.

The product of its digits is 3024, while the sum is 28.

The square root of 1429273 is about 1195.5220616952. The cubic root of 1429273 is about 112.6432217049.

Subtracting 1429273 from its reverse (3729241), we obtain a cube (2299968 = 132³).

It can be divided in two parts, 14292 and 73, that added together give a triangular number (14365 = T₁₆₉).

The spelling of 1429273 in words is "one million, four hundred twenty-nine thousand, two hundred seventy-three".