1214478 has 24 divisors (see below), whose sum is σ = 2659800. Its totient is φ = 400464.

The previous prime is 1214471. The next prime is 1214483. The reversal of 1214478 is 8744121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214471) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 1653 + ... + 2271.

It is an arithmetic number, because the mean of its divisors is an integer number (110825).

2^1214478 is an apocalyptic number.

1214478 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1214478 is an abundant number, since it is smaller than the sum of its proper divisors (1445322).

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

1214478 is a wasteful number, since it uses less digits than its factorization.

1214478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736 (or 733 counting only the distinct ones).

The product of its digits is 1792, while the sum is 27.

The square root of 1214478 is about 1102.0335748061. The cubic root of 1214478 is about 106.6915154782.

Adding to 1214478 its reverse (8744121), we get a palindrome (9958599).

The spelling of 1214478 in words is "one million, two hundred fourteen thousand, four hundred seventy-eight".