1199040 has 56 divisors (see below), whose sum is σ = 3810000. Its totient is φ = 319488.

The previous prime is 1199039. The next prime is 1199047. The reversal of 1199040 is 409911.

1199040 is nontrivially palindromic in base 11.

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 1199040.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1199047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 336 + ... + 1584.

2^1199040 is an apocalyptic number.

1199040 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 1199040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1905000).

1199040 is an abundant number, since it is smaller than the sum of its proper divisors (2610960).

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

1199040 is a wasteful number, since it uses less digits than its factorization.

1199040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1269 (or 1259 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 24.

The square root of 1199040 is about 1095.0068492936. The cubic root of 1199040 is about 106.2375117964.

The spelling of 1199040 in words is "one million, one hundred ninety-nine thousand, forty".