1126221371 has 8 divisors (see below), whose sum is σ = 1293268800. Its totient is φ = 969951240.

The previous prime is 1126221367. The next prime is 1126221373. The reversal of 1126221371 is 1731226211.

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

It is a cyclic number.

It is not a de Polignac number, because 1126221371 - 2² = 1126221367 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1126221371.

It is not an unprimeable number, because it can be changed into a prime (1126221373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2694101 + ... + 2694518.

It is an arithmetic number, because the mean of its divisors is an integer number (161658600).

Almost surely, 2^1126221371 is an apocalyptic number.

1126221371 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1126221371 is a deficient number, since it is larger than the sum of its proper divisors (167047429).

1126221371 is a wasteful number, since it uses less digits than its factorization.

1126221371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5388649.

The product of its digits is 1008, while the sum is 26.

The square root of 1126221371 is about 33559.2218473552. The cubic root of 1126221371 is about 1040.4181537805.

Adding to 1126221371 its reverse (1731226211), we get a palindrome (2857447582).

The spelling of 1126221371 in words is "one billion, one hundred twenty-six million, two hundred twenty-one thousand, three hundred seventy-one".