1120501020 has 48 divisors (see below), whose sum is σ = 3139411968. Its totient is φ = 298608960.

The previous prime is 1120500989. The next prime is 1120501021. The reversal of 1120501020 is 201050211.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1120500987 and 1120501005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120501021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105765 + ... + 115875.

It is an arithmetic number, because the mean of its divisors is an integer number (65404416).

Almost surely, 2^1120501020 is an apocalyptic number.

1120501020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1120501020 is an abundant number, since it is smaller than the sum of its proper divisors (2018910948).

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

1120501020 is a wasteful number, since it uses less digits than its factorization.

1120501020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11970 (or 11968 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 1120501020 is about 33473.8856423929. The cubic root of 1120501020 is about 1038.6536510587.

Adding to 1120501020 its reverse (201050211), we get a palindrome (1321551231).

The spelling of 1120501020 in words is "one billion, one hundred twenty million, five hundred one thousand, twenty".