1120201000 has 64 divisors (see below), whose sum is σ = 2640456000. Its totient is φ = 444801600.

The previous prime is 1120200997. The next prime is 1120201007. The reversal of 1120201000 is 1020211.

It is not an unprimeable number, because it can be changed into a prime (1120201007) 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, 134971 + ... + 143029.

It is an arithmetic number, because the mean of its divisors is an integer number (41257125).

Almost surely, 2^1120201000 is an apocalyptic number.

1120201000 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 1120201000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1320228000).

1120201000 is an abundant number, since it is smaller than the sum of its proper divisors (1520255000).

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

1120201000 is a wasteful number, since it uses less digits than its factorization.

1120201000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8219 (or 8205 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 1120201000 is about 33469.4039385227. The cubic root of 1120201000 is about 1038.5609411372.

Adding to 1120201000 its reverse (1020211), we get a palindrome (1121221211).

The spelling of 1120201000 in words is "one billion, one hundred twenty million, two hundred one thousand".