1110420520 has 128 divisors (see below), whose sum is σ = 2792724480. Its totient is φ = 393984000.

The previous prime is 1110420517. The next prime is 1110420541. The reversal of 1110420520 is 250240111.

It is a junction number, because it is equal to n+sod(n) for n = 1110420494 and 1110420503.

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 31 ways as a sum of consecutive naturals, for example, 5813625 + ... + 5813815.

It is an arithmetic number, because the mean of its divisors is an integer number (21818160).

Almost surely, 2^1110420520 is an apocalyptic number.

1110420520 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 1110420520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1396362240).

1110420520 is an abundant number, since it is smaller than the sum of its proper divisors (1682303960).

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

1110420520 is a wasteful number, since it uses less digits than its factorization.

1110420520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467 (or 463 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 1110420520 is about 33322.9728565745. The cubic root of 1110420520 is about 1035.5295414644.

Adding to 1110420520 its reverse (250240111), we get a palindrome (1360660631).

The spelling of 1110420520 in words is "one billion, one hundred ten million, four hundred twenty thousand, five hundred twenty".