1225276 has 12 divisors (see below), whose sum is σ = 2309272. Its totient is φ = 565488.

The previous prime is 1225261. The next prime is 1225283. The reversal of 1225276 is 6725221.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a plaindrome in base 9.

It is a zygodrome in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 1225276.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11730 + ... + 11833.

2^1225276 is an apocalyptic number.

It is an amenable number.

1225276 is a deficient number, since it is larger than the sum of its proper divisors (1083996).

1225276 is a wasteful number, since it uses less digits than its factorization.

1225276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23580 (or 23578 counting only the distinct ones).

The product of its digits is 1680, while the sum is 25.

The square root of 1225276 is about 1106.9218581273. The cubic root of 1225276 is about 107.0067832774.

Subtracting 1225276 from its reverse (6725221), we obtain a palindrome (5499945).

The spelling of 1225276 in words is "one million, two hundred twenty-five thousand, two hundred seventy-six".