1122001201 has 4 divisors (see below), whose sum is σ = 1132294900. Its totient is φ = 1111707504.

The previous prime is 1122001183. The next prime is 1122001211. The reversal of 1122001201 is 1021002211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1021002211 = 16561 ⋅61651.

It can be written as a sum of positive squares in 2 ways, for example, as 263218176 + 858783025 = 16224^2 + 29305^2 .

It is a cyclic number.

It is not a de Polignac number, because 1122001201 - 2¹⁵ = 1121968433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122001211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5146686 + ... + 5146903.

It is an arithmetic number, because the mean of its divisors is an integer number (283073725).

Almost surely, 2^1122001201 is an apocalyptic number.

It is an amenable number.

1122001201 is a deficient number, since it is larger than the sum of its proper divisors (10293699).

1122001201 is a wasteful number, since it uses less digits than its factorization.

1122001201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10293698.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 1122001201 is about 33496.2863762537. The cubic root of 1122001201 is about 1039.1169776058.

Adding to 1122001201 its reverse (1021002211), we get a palindrome (2143003412).

The spelling of 1122001201 in words is "one billion, one hundred twenty-two million, one thousand, two hundred one".