1278452 has 12 divisors (see below), whose sum is σ = 2556960. Its totient is φ = 547896.

The previous prime is 1278439. The next prime is 1278463. The reversal of 1278452 is 2548721.

1278452 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22802 + ... + 22857.

It is an arithmetic number, because the mean of its divisors is an integer number (213080).

2^1278452 is an apocalyptic number.

It is an amenable number.

1278452 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1278452 is a wasteful number, since it uses less digits than its factorization.

1278452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45670 (or 45668 counting only the distinct ones).

The product of its digits is 4480, while the sum is 29.

The square root of 1278452 is about 1130.6865171213. The cubic root of 1278452 is about 108.5329170231.

The spelling of 1278452 in words is "one million, two hundred seventy-eight thousand, four hundred fifty-two".