1429225 has 12 divisors (see below), whose sum is σ = 2025664. Its totient is φ = 979920.

The previous prime is 1429201. The next prime is 1429231. The reversal of 1429225 is 5229241.

It is not a de Polignac number, because 1429225 - 2⁷ = 1429097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

1429225 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1429225.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3909 + ... + 4258.

2^1429225 is an apocalyptic number.

It is an amenable number.

1429225 is a deficient number, since it is larger than the sum of its proper divisors (596439).

1429225 is an equidigital number, since it uses as much as digits as its factorization.

1429225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8184 (or 8179 counting only the distinct ones).

The product of its digits is 1440, while the sum is 25.

The square root of 1429225 is about 1195.5019866148. The cubic root of 1429225 is about 112.6419607060.

It can be divided in two parts, 142922 and 5, that multiplied together give a triangular number (714610 = T₁₁₉₅).

The spelling of 1429225 in words is "one million, four hundred twenty-nine thousand, two hundred twenty-five".