1201120000 has 90 divisors (see below), whose sum is σ = 2996375228. Its totient is φ = 480384000.

The previous prime is 1201119949. The next prime is 1201120003. The reversal of 1201120000 is 211021.

It is not an unprimeable number, because it can be changed into a prime (1201120003) by changing a digit.

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 9 ways as a sum of consecutive naturals, for example, 156247 + ... + 163753.

Almost surely, 2^1201120000 is an apocalyptic number.

1201120000 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 1201120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1498187614).

1201120000 is an abundant number, since it is smaller than the sum of its proper divisors (1795255228).

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

1201120000 is an frugal number, since it uses more digits than its factorization.

1201120000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7543 (or 7514 counting only the distinct ones).

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

The square root of 1201120000 is about 34657.1781886523. The cubic root of 1201120000 is about 1062.9890712692.

Adding to 1201120000 its reverse (211021), we get a palindrome (1201331021).

The spelling of 1201120000 in words is "one billion, two hundred one million, one hundred twenty thousand".