1201001122 has 8 divisors (see below), whose sum is σ = 1802149200. Its totient is φ = 600284724.

The previous prime is 1201001111. The next prime is 1201001129. The reversal of 1201001122 is 2211001021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1201001099 and 1201001108.

It is not an unprimeable number, because it can be changed into a prime (1201001129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100872 + ... + 112147.

It is an arithmetic number, because the mean of its divisors is an integer number (225268650).

Almost surely, 2^1201001122 is an apocalyptic number.

1201001122 is a deficient number, since it is larger than the sum of its proper divisors (601148078).

1201001122 is a wasteful number, since it uses less digits than its factorization.

1201001122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215840.

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

The square root of 1201001122 is about 34655.4630902546. The cubic root of 1201001122 is about 1062.9540011725.

Adding to 1201001122 its reverse (2211001021), we get a palindrome (3412002143).

The spelling of 1201001122 in words is "one billion, two hundred one million, one thousand, one hundred twenty-two".