1121444029 has 4 divisors (see below), whose sum is σ = 1122629184. Its totient is φ = 1120258876.

The previous prime is 1121444021. The next prime is 1121444041. The reversal of 1121444029 is 9204441211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1121444029 - 2³ = 1121444021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1121443988 and 1121444006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121444021) 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 3 ways as a sum of consecutive naturals, for example, 591157 + ... + 593050.

It is an arithmetic number, because the mean of its divisors is an integer number (280657296).

Almost surely, 2^1121444029 is an apocalyptic number.

It is an amenable number.

1121444029 is a deficient number, since it is larger than the sum of its proper divisors (1185155).

1121444029 is an equidigital number, since it uses as much as digits as its factorization.

1121444029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1185154.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 1121444029 is about 33487.9684215092. The cubic root of 1121444029 is about 1038.9449448883.

The spelling of 1121444029 in words is "one billion, one hundred twenty-one million, four hundred forty-four thousand, twenty-nine".