1120540540 has 24 divisors (see below), whose sum is σ = 2689297632. Its totient is φ = 384185280.

The previous prime is 1120540517. The next prime is 1120540559. The reversal of 1120540540 is 450450211.

It is a super-2 number, since 2×1120540540² = 2511222203566983200, which contains 22 as substring.

1120540540 is a modest number, since divided by 540540 gives 1120 as remainder.

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, 4001791 + ... + 4002070.

It is an arithmetic number, because the mean of its divisors is an integer number (112054068).

Almost surely, 2^1120540540 is an apocalyptic number.

1120540540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1120540540 is an abundant number, since it is smaller than the sum of its proper divisors (1568757092).

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

1120540540 is a wasteful number, since it uses less digits than its factorization.

1120540540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8003877 (or 8003875 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 1120540540 is about 33474.4759481011. The cubic root of 1120540540 is about 1038.6658619980.

Adding to 1120540540 its reverse (450450211), we get a palindrome (1570990751).

The spelling of 1120540540 in words is "one billion, one hundred twenty million, five hundred forty thousand, five hundred forty".