1051225 has 12 divisors (see below), whose sum is σ = 1489984. Its totient is φ = 720720.

The previous prime is 1051181. The next prime is 1051247. The reversal of 1051225 is 5221501.

It is not a de Polignac number, because 1051225 - 2⁹ = 1050713 is a prime.

It is a super-2 number, since 2×1051225² = 2210148001250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1051199 and 1051208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2829 + ... + 3178.

2^1051225 is an apocalyptic number.

It is an amenable number.

1051225 is a deficient number, since it is larger than the sum of its proper divisors (438759).

1051225 is an equidigital number, since it uses as much as digits as its factorization.

1051225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6024 (or 6019 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 1051225 is about 1025.2926411518. The cubic root of 1051225 is about 101.6791468450.

Adding to 1051225 its reverse (5221501), we get a palindrome (6272726).

The spelling of 1051225 in words is "one million, fifty-one thousand, two hundred twenty-five".