1225036 has 6 divisors (see below), whose sum is σ = 2143820. Its totient is φ = 612516.

The previous prime is 1225019. The next prime is 1225061. The reversal of 1225036 is 6305221.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153126 + ... + 153133.

2^1225036 is an apocalyptic number.

It is an amenable number.

1225036 is a deficient number, since it is larger than the sum of its proper divisors (918784).

1225036 is a wasteful number, since it uses less digits than its factorization.

1225036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306263 (or 306261 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 1225036 is about 1106.8134440817. The cubic root of 1225036 is about 106.9997961972. Note that the first 3 decimals are identical.

The spelling of 1225036 in words is "one million, two hundred twenty-five thousand, thirty-six".