1227480 has 64 divisors (see below), whose sum is σ = 3771360. Its totient is φ = 319488.

The previous prime is 1227469. The next prime is 1227491. The reversal of 1227480 is 847221.

It is an interprime number because it is at equal distance from previous prime (1227469) and next prime (1227491).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1227480.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6264 + ... + 6456.

2^1227480 is an apocalyptic number.

1227480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1227480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1885680).

1227480 is an abundant number, since it is smaller than the sum of its proper divisors (2543880).

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

1227480 is a wasteful number, since it uses less digits than its factorization.

1227480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260 (or 256 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 1227480 is about 1107.9169643976. The cubic root of 1227480 is about 107.0709053424.

The spelling of 1227480 in words is "one million, two hundred twenty-seven thousand, four hundred eighty".