1225768 has 16 divisors (see below), whose sum is σ = 2433780. Its totient is φ = 576768.

The previous prime is 1225759. The next prime is 1225769. The reversal of 1225768 is 8675221.

It can be written as a sum of positive squares in 2 ways, for example, as 1205604 + 20164 = 1098^2 + 142^2 .

It is not an unprimeable number, because it can be changed into a prime (1225769) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4371 + ... + 4642.

2^1225768 is an apocalyptic number.

It is an amenable number.

1225768 is a deficient number, since it is larger than the sum of its proper divisors (1208012).

1225768 is a wasteful number, since it uses less digits than its factorization.

1225768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9036 (or 9032 counting only the distinct ones).

The product of its digits is 6720, while the sum is 31.

The square root of 1225768 is about 1107.1440737321. The cubic root of 1225768 is about 107.0211039399.

The spelling of 1225768 in words is "one million, two hundred twenty-five thousand, seven hundred sixty-eight".