1278232 has 8 divisors (see below), whose sum is σ = 2396700. Its totient is φ = 639112.

The previous prime is 1278227. The next prime is 1278253. The reversal of 1278232 is 2328721.

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

It is a junction number, because it is equal to n+sod(n) for n = 1278197 and 1278206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79882 + ... + 79897.

2^1278232 is an apocalyptic number.

It is an amenable number.

1278232 is a deficient number, since it is larger than the sum of its proper divisors (1118468).

1278232 is a wasteful number, since it uses less digits than its factorization.

1278232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159785 (or 159781 counting only the distinct ones).

The product of its digits is 1344, while the sum is 25.

The square root of 1278232 is about 1130.5892269078. The cubic root of 1278232 is about 108.5266911052.

The spelling of 1278232 in words is "one million, two hundred seventy-eight thousand, two hundred thirty-two".