1122121029 has 8 divisors (see below), whose sum is σ = 1496373280. Its totient is φ = 747974736.

The previous prime is 1122120997. The next prime is 1122121031. The reversal of 1122121029 is 9201212211.

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

It is not a de Polignac number, because 1122121029 - 2⁵ = 1122120997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1122120996 and 1122121014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122121069) 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, 2874 + ... + 47460.

It is an arithmetic number, because the mean of its divisors is an integer number (187046660).

Almost surely, 2^1122121029 is an apocalyptic number.

It is an amenable number.

1122121029 is a deficient number, since it is larger than the sum of its proper divisors (374252251).

1122121029 is an equidigital number, since it uses as much as digits as its factorization.

1122121029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52979.

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

The square root of 1122121029 is about 33498.0750043939. The cubic root of 1122121029 is about 1039.1539683199.

The spelling of 1122121029 in words is "one billion, one hundred twenty-two million, one hundred twenty-one thousand, twenty-nine".