1122099121 has 8 divisors (see below), whose sum is σ = 1318270464. Its totient is φ = 941621520.

The previous prime is 1122099119. The next prime is 1122099203. The reversal of 1122099121 is 1219902211.

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 1122099121 - 2¹ = 1122099119 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 1122099121.

It is not an unprimeable number, because it can be changed into a prime (1122099101) 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, 3923281 + ... + 3923566.

It is an arithmetic number, because the mean of its divisors is an integer number (164783808).

Almost surely, 2^1122099121 is an apocalyptic number.

1122099121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1122099121 is a deficient number, since it is larger than the sum of its proper divisors (196171343).

1122099121 is a wasteful number, since it uses less digits than its factorization.

1122099121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7846871.

The product of its (nonzero) digits is 648, while the sum is 28.

The square root of 1122099121 is about 33497.7479989327. The cubic root of 1122099121 is about 1039.1472055517.

The spelling of 1122099121 in words is "one billion, one hundred twenty-two million, ninety-nine thousand, one hundred twenty-one".