1278948 has 24 divisors (see below), whose sum is σ = 3255840. Its totient is φ = 387520.

The previous prime is 1278911. The next prime is 1278983. The reversal of 1278948 is 8498721.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4713 + ... + 4976.

It is an arithmetic number, because the mean of its divisors is an integer number (135660).

2^1278948 is an apocalyptic number.

It is an amenable number.

1278948 is an abundant number, since it is smaller than the sum of its proper divisors (1976892).

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

1278948 is a wasteful number, since it uses less digits than its factorization.

1278948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9707 (or 9705 counting only the distinct ones).

The product of its digits is 32256, while the sum is 39.

The square root of 1278948 is about 1130.9058316235. The cubic root of 1278948 is about 108.5469510180.

It can be divided in two parts, 12 and 78948, that multiplied together give a triangular number (947376 = T₁₃₇₆).

The spelling of 1278948 in words is "one million, two hundred seventy-eight thousand, nine hundred forty-eight".