1120420000 has 240 divisors, whose sum is σ = 3230865792. Its totient is φ = 374400000.

The previous prime is 1120419991. The next prime is 1120420009. The reversal of 1120420000 is 240211.

It is an interprime number because it is at equal distance from previous prime (1120419991) and next prime (1120420009).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120420009) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 7419925 + ... + 7420075.

Almost surely, 2^1120420000 is an apocalyptic number.

1120420000 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 1120420000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1615432896).

1120420000 is an abundant number, since it is smaller than the sum of its proper divisors (2110445792).

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

1120420000 is an equidigital number, since it uses as much as digits as its factorization.

1120420000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241 (or 218 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 1120420000 is about 33472.6754233957. The cubic root of 1120420000 is about 1038.6286164996.

Adding to 1120420000 its reverse (240211), we get a palindrome (1120660211).

The spelling of 1120420000 in words is "one billion, one hundred twenty million, four hundred twenty thousand".