1112289201 has 9 divisors (see below), whose sum is σ = 1606784491. Its totient is φ = 741459432.

The previous prime is 1112289193. The next prime is 1112289221. The reversal of 1112289201 is 1029822111.

The square root of 1112289201 is 33351.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 121550625 + 990738576 = 11025^2 + 31476^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 1112289201 - 2³ = 1112289193 is a prime.

It is a super-2 number, since 2×1112289201² = 2474374533322436802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1112289221) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 94495 + ... + 105611.

Almost surely, 2^1112289201 is an apocalyptic number.

1112289201 is the 33351-st square number.

1112289201 is the 16676-th centered octagonal number.

It is an amenable number.

1112289201 is a deficient number, since it is larger than the sum of its proper divisors (494495290).

1112289201 is an frugal number, since it uses more digits than its factorization.

1112289201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22240 (or 11120 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 27.

The cubic root of 1112289201 is about 1036.1100992718.

Multiplying 1112289201 by its product of nonzero digits (576), we get a square (640678579776 = 800424²).

The spelling of 1112289201 in words is "one billion, one hundred twelve million, two hundred eighty-nine thousand, two hundred one".