1122202091 has 8 divisors (see below), whose sum is σ = 1131567360. Its totient is φ = 1112868648.

The previous prime is 1122202087. The next prime is 1122202117. The reversal of 1122202091 is 1902022211.

It is a happy number.

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 1122202091 - 2² = 1122202087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122202001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65660 + ... + 80966.

It is an arithmetic number, because the mean of its divisors is an integer number (141445920).

Almost surely, 2^1122202091 is an apocalyptic number.

1122202091 is a deficient number, since it is larger than the sum of its proper divisors (9365269).

1122202091 is a wasteful number, since it uses less digits than its factorization.

1122202091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15913.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 1122202091 is about 33499.2849326668. The cubic root of 1122202091 is about 1039.1789905378.

The spelling of 1122202091 in words is "one billion, one hundred twenty-two million, two hundred two thousand, ninety-one".