1122122091 has 8 divisors (see below), whose sum is σ = 1561213440. Its totient is φ = 715556072.

The previous prime is 1122122087. The next prime is 1122122117. The reversal of 1122122091 is 1902212211.

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 1122122091 - 2² = 1122122087 is a prime.

It is a super-2 number, since 2×1122122091² = 2518315974220424562, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1122122011) 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, 8131251 + ... + 8131388.

It is an arithmetic number, because the mean of its divisors is an integer number (195151680).

Almost surely, 2^1122122091 is an apocalyptic number.

1122122091 is a deficient number, since it is larger than the sum of its proper divisors (439091349).

1122122091 is a wasteful number, since it uses less digits than its factorization.

1122122091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16262665.

The product of its (nonzero) digits is 144, while the sum is 21.

The square root of 1122122091 is about 33498.0908560473. The cubic root of 1122122091 is about 1039.1542961458.

The spelling of 1122122091 in words is "one billion, one hundred twenty-two million, one hundred twenty-two thousand, ninety-one".