1219040 has 48 divisors (see below), whose sum is σ = 3039120. Its totient is φ = 460800.

The previous prime is 1219003. The next prime is 1219061. The reversal of 1219040 is 409121.

It is a happy number.

It is a congruent number.

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, 2840 + ... + 3240.

It is an arithmetic number, because the mean of its divisors is an integer number (63315).

2^1219040 is an apocalyptic number.

1219040 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 1219040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1519560).

1219040 is an abundant number, since it is smaller than the sum of its proper divisors (1820080).

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

1219040 is a wasteful number, since it uses less digits than its factorization.

1219040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435 (or 427 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1219040 is about 1104.1014446146. The cubic root of 1219040 is about 106.8249386510.

The spelling of 1219040 in words is "one million, two hundred nineteen thousand, forty".