1214280 has 48 divisors (see below), whose sum is σ = 3947580. Its totient is φ = 323712.

The previous prime is 1214273. The next prime is 1214281. The reversal of 1214280 is 824121.

It can be written as a sum of positive squares in 2 ways, for example, as 1127844 + 86436 = 1062^2 + 294^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1214281) 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, 1327 + ... + 2046.

2^1214280 is an apocalyptic number.

1214280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1214280 is an abundant number, since it is smaller than the sum of its proper divisors (2733300).

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

1214280 is a wasteful number, since it uses less digits than its factorization.

1214280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3390 (or 3383 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 1214280 is about 1101.9437372207. The cubic root of 1214280 is about 106.6857170835.

The spelling of 1214280 in words is "one million, two hundred fourteen thousand, two hundred eighty".