1265228 has 12 divisors (see below), whose sum is σ = 2247672. Its totient is φ = 623040.

The previous prime is 1265197. The next prime is 1265233. The reversal of 1265228 is 8225621.

It is a junction number, because it is equal to n+sod(n) for n = 1265197 and 1265206.

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, 2093 + ... + 2628.

It is an arithmetic number, because the mean of its divisors is an integer number (187306).

2^1265228 is an apocalyptic number.

It is an amenable number.

1265228 is a deficient number, since it is larger than the sum of its proper divisors (982444).

1265228 is a wasteful number, since it uses less digits than its factorization.

1265228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4792 (or 4790 counting only the distinct ones).

The product of its digits is 1920, while the sum is 26.

The square root of 1265228 is about 1124.8235417167. The cubic root of 1265228 is about 108.1574065048.

It can be divided in two parts, 1265 and 228, that multiplied together give a triangular number (288420 = T₇₅₉).

The spelling of 1265228 in words is "one million, two hundred sixty-five thousand, two hundred twenty-eight".