1199240 has 32 divisors (see below), whose sum is σ = 3084480. Its totient is φ = 411072.

The previous prime is 1199203. The next prime is 1199257. The reversal of 1199240 is 429911.

1199240 = T₁₄₉ + T₁₅₀ + ... + T₂₁₈.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1862 + ... + 2421.

It is an arithmetic number, because the mean of its divisors is an integer number (96390).

2^1199240 is an apocalyptic number.

1199240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1199240 is an abundant number, since it is smaller than the sum of its proper divisors (1885240).

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

1199240 is a wasteful number, since it uses less digits than its factorization.

1199240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4301 (or 4297 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 1199240 is about 1095.0981691154. The cubic root of 1199240 is about 106.2434182774.

The spelling of 1199240 in words is "one million, one hundred ninety-nine thousand, two hundred forty".