1122005240 has 32 divisors (see below), whose sum is σ = 2525478480. Its totient is φ = 448630272.

The previous prime is 1122005239. The next prime is 1122005369. The reversal of 1122005240 is 425002211.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176192 + ... + 182448.

Almost surely, 2^1122005240 is an apocalyptic number.

1122005240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122005240 is an abundant number, since it is smaller than the sum of its proper divisors (1403473240).

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

1122005240 is a wasteful number, since it uses less digits than its factorization.

1122005240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10751 (or 10747 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 1122005240 is about 33496.3466664650. The cubic root of 1122005240 is about 1039.1182244816.

Adding to 1122005240 its reverse (425002211), we get a palindrome (1547007451).

The spelling of 1122005240 in words is "one billion, one hundred twenty-two million, five thousand, two hundred forty".