1126220001 has 8 divisors (see below), whose sum is σ = 1566914880. Its totient is φ = 718169232.

The previous prime is 1126219999. The next prime is 1126220059. The reversal of 1126220001 is 1000226211.

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

It is not a de Polignac number, because 1126220001 - 2¹ = 1126219999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1126220071) 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, 8160946 + ... + 8161083.

It is an arithmetic number, because the mean of its divisors is an integer number (195864360).

Almost surely, 2^1126220001 is an apocalyptic number.

It is an amenable number.

1126220001 is a deficient number, since it is larger than the sum of its proper divisors (440694879).

1126220001 is a wasteful number, since it uses less digits than its factorization.

1126220001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16322055.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1126220001 is about 33559.2014356719. The cubic root of 1126220001 is about 1040.4177319056.

Adding to 1126220001 its reverse (1000226211), we get a palindrome (2126446212).

The spelling of 1126220001 in words is "one billion, one hundred twenty-six million, two hundred twenty thousand, one".