1122869029 has 4 divisors (see below), whose sum is σ = 1141276780. Its totient is φ = 1104461280.

The previous prime is 1122869003. The next prime is 1122869063. The reversal of 1122869029 is 9209682211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9209682211 = 251 ⋅36691961.

It can be written as a sum of positive squares in 2 ways, for example, as 12180100 + 1110688929 = 3490^2 + 33327^2 .

It is a cyclic number.

It is not a de Polignac number, because 1122869029 - 2¹¹ = 1122866981 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1122868982 and 1122869000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122861029) 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, 9203784 + ... + 9203905.

It is an arithmetic number, because the mean of its divisors is an integer number (285319195).

Almost surely, 2^1122869029 is an apocalyptic number.

It is an amenable number.

1122869029 is a deficient number, since it is larger than the sum of its proper divisors (18407751).

1122869029 is an equidigital number, since it uses as much as digits as its factorization.

1122869029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18407750.

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 1122869029 is about 33509.2379650746. The cubic root of 1122869029 is about 1039.3848152310.

The spelling of 1122869029 in words is "one billion, one hundred twenty-two million, eight hundred sixty-nine thousand, twenty-nine".