1123242201 has 8 divisors (see below), whose sum is σ = 1664062560. Its totient is φ = 748828116.

The previous prime is 1123242199. The next prime is 1123242257. The reversal of 1123242201 is 1022423211.

It is a happy number.

1123242201 is a `hidden beast` number, since 11 + 232 + 422 + 0 + 1 = 666.

It is not a de Polignac number, because 1123242201 - 2¹ = 1123242199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1123242271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20800755 + ... + 20800808.

It is an arithmetic number, because the mean of its divisors is an integer number (208007820).

Almost surely, 2^1123242201 is an apocalyptic number.

It is an amenable number.

1123242201 is a deficient number, since it is larger than the sum of its proper divisors (540820359).

1123242201 is an equidigital number, since it uses as much as digits as its factorization.

1123242201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41601572 (or 41601566 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1123242201 is about 33514.8056983775. The cubic root of 1123242201 is about 1039.4999448203.

Adding to 1123242201 its reverse (1022423211), we get a palindrome (2145665412).

The spelling of 1123242201 in words is "one billion, one hundred twenty-three million, two hundred forty-two thousand, two hundred one".