1268478 has 24 divisors (see below), whose sum is σ = 2893800. Its totient is φ = 400464.

The previous prime is 1268467. The next prime is 1268479. The reversal of 1268478 is 8748621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1268479) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1513 + ... + 2196.

It is an arithmetic number, because the mean of its divisors is an integer number (120575).

2^1268478 is an apocalyptic number.

1268478 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1268478 is an abundant number, since it is smaller than the sum of its proper divisors (1625322).

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

1268478 is a wasteful number, since it uses less digits than its factorization.

1268478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3736 (or 3733 counting only the distinct ones).

The product of its digits is 21504, while the sum is 36.

The square root of 1268478 is about 1126.2672862158. The cubic root of 1268478 is about 108.2499355517.

The spelling of 1268478 in words is "one million, two hundred sixty-eight thousand, four hundred seventy-eight".