1201044112 has 60 divisors (see below), whose sum is σ = 2468262780. Its totient is φ = 566067456.

The previous prime is 1201044109. The next prime is 1201044133. The reversal of 1201044112 is 2114401021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 77721856 + 1123322256 = 8816^2 + 33516^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1553358 + ... + 1554130.

It is an arithmetic number, because the mean of its divisors is an integer number (41137713).

Almost surely, 2^1201044112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1201044112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1234131390).

1201044112 is an abundant number, since it is smaller than the sum of its proper divisors (1267218668).

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

1201044112 is a wasteful number, since it uses less digits than its factorization.

1201044112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1088 (or 1063 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 1201044112 is about 34656.0833332331. The cubic root of 1201044112 is about 1062.9666838826.

Adding to 1201044112 its reverse (2114401021), we get a palindrome (3315445133).

The spelling of 1201044112 in words is "one billion, two hundred one million, forty-four thousand, one hundred twelve".