1278032 has 20 divisors (see below), whose sum is σ = 2830176. Its totient is φ = 547680.

The previous prime is 1278031. The next prime is 1278047. The reversal of 1278032 is 2308721.

It is a Smith number, since the sum of its digits (23) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1277989 and 1278007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1278031) 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, 5594 + ... + 5817.

2^1278032 is an apocalyptic number.

It is an amenable number.

1278032 is an abundant number, since it is smaller than the sum of its proper divisors (1552144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1278032 is a wasteful number, since it uses less digits than its factorization.

1278032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11426 (or 11420 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 1278032 is about 1130.5007739935. The cubic root of 1278032 is about 108.5210305599.

The spelling of 1278032 in words is "one million, two hundred seventy-eight thousand, thirty-two".