1254225 has 24 divisors (see below), whose sum is σ = 2370880. Its totient is φ = 573120.

The previous prime is 1254217. The next prime is 1254241. The reversal of 1254225 is 5224521.

It is a happy number.

It is not a de Polignac number, because 1254225 - 2³ = 1254217 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

1254225 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 670 + ... + 1719.

2^1254225 is an apocalyptic number.

1254225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1254225 is a deficient number, since it is larger than the sum of its proper divisors (1116655).

1254225 is a wasteful number, since it uses less digits than its factorization.

1254225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2409 (or 2404 counting only the distinct ones).

The product of its digits is 800, while the sum is 21.

The square root of 1254225 is about 1119.9218722750. The cubic root of 1254225 is about 107.8429645057.

Adding to 1254225 its reverse (5224521), we get a palindrome (6478746).

The spelling of 1254225 in words is "one million, two hundred fifty-four thousand, two hundred twenty-five".