1226425 has 6 divisors (see below), whose sum is σ = 1520798. Its totient is φ = 981120.

The previous prime is 1226417. The next prime is 1226461. The reversal of 1226425 is 5246221.

It can be written as a sum of positive squares in 3 ways, for example, as 204304 + 1022121 = 452^2 + 1011^2 .

It is not a de Polignac number, because 1226425 - 2³ = 1226417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1226396 and 1226405.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24504 + ... + 24553.

2^1226425 is an apocalyptic number.

It is an amenable number.

1226425 is a deficient number, since it is larger than the sum of its proper divisors (294373).

1226425 is an equidigital number, since it uses as much as digits as its factorization.

1226425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49067 (or 49062 counting only the distinct ones).

The product of its digits is 960, while the sum is 22.

The square root of 1226425 is about 1107.4407433357. The cubic root of 1226425 is about 107.0402212897.

The spelling of 1226425 in words is "one million, two hundred twenty-six thousand, four hundred twenty-five".