1123332201 has 12 divisors (see below), whose sum is σ = 1638657540. Its totient is φ = 741472800.

The previous prime is 1123332187. The next prime is 1123332229. The reversal of 1123332201 is 1022333211.

1123332201 is a `hidden beast` number, since 112 + 333 + 220 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1012766976 + 110565225 = 31824^2 + 10515^2 .

It is not a de Polignac number, because 1123332201 - 2⁵ = 1123332169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1123332241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 616986 + ... + 618803.

It is an arithmetic number, because the mean of its divisors is an integer number (136554795).

Almost surely, 2^1123332201 is an apocalyptic number.

It is an amenable number.

1123332201 is a deficient number, since it is larger than the sum of its proper divisors (515325339).

1123332201 is a wasteful number, since it uses less digits than its factorization.

1123332201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1235896 (or 1235893 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1123332201 is about 33516.1483616480. The cubic root of 1123332201 is about 1039.5277074573.

Adding to 1123332201 its reverse (1022333211), we get a palindrome (2145665412).

It can be divided in two parts, 11233 and 32201, that added together give a palindrome (43434).

The spelling of 1123332201 in words is "one billion, one hundred twenty-three million, three hundred thirty-two thousand, two hundred one".