1225976 has 8 divisors (see below), whose sum is σ = 2298720. Its totient is φ = 612984.

The previous prime is 1225963. The next prime is 1225981. The reversal of 1225976 is 6795221.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76616 + ... + 76631.

It is an arithmetic number, because the mean of its divisors is an integer number (287340).

2^1225976 is an apocalyptic number.

It is an amenable number.

1225976 is a deficient number, since it is larger than the sum of its proper divisors (1072744).

1225976 is a wasteful number, since it uses less digits than its factorization.

1225976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153253 (or 153249 counting only the distinct ones).

The product of its digits is 7560, while the sum is 32.

The square root of 1225976 is about 1107.2380051281. The cubic root of 1225976 is about 107.0271570513.

The spelling of 1225976 in words is "one million, two hundred twenty-five thousand, nine hundred seventy-six".