1122784240 has 40 divisors (see below), whose sum is σ = 2681033760. Its totient is φ = 436974336.

The previous prime is 1122784237. The next prime is 1122784259. The reversal of 1122784240 is 424872211.

It is a tau number, because it is divible by the number of its divisors (40).

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, 186700 + ... + 192619.

It is an arithmetic number, because the mean of its divisors is an integer number (67025844).

Almost surely, 2^1122784240 is an apocalyptic number.

1122784240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122784240 is an abundant number, since it is smaller than the sum of its proper divisors (1558249520).

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

1122784240 is a wasteful number, since it uses less digits than its factorization.

1122784240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379369 (or 379363 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 31.

The square root of 1122784240 is about 33507.9727826080. The cubic root of 1122784240 is about 1039.3586528989.

The spelling of 1122784240 in words is "one billion, one hundred twenty-two million, seven hundred eighty-four thousand, two hundred forty".