1122140045 has 8 divisors (see below), whose sum is σ = 1450150296. Its totient is φ = 828657216.

The previous prime is 1122140027. The next prime is 1122140069. The reversal of 1122140045 is 5400412211.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 67059721 + 1055080324 = 8189^2 + 32482^2 .

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 1122140045 - 2³⁰ = 48398221 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1122139999 and 1122140026.

It is a congruent number.

It is an unprimeable number.

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, 8631782 + ... + 8631911.

It is an arithmetic number, because the mean of its divisors is an integer number (181268787).

Almost surely, 2^1122140045 is an apocalyptic number.

It is an amenable number.

1122140045 is a deficient number, since it is larger than the sum of its proper divisors (328010251).

1122140045 is a wasteful number, since it uses less digits than its factorization.

1122140045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17263711.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 1122140045 is about 33498.3588403969. The cubic root of 1122140045 is about 1039.1598382869.

Adding to 1122140045 its reverse (5400412211), we get a palindrome (6522552256).

The spelling of 1122140045 in words is "one billion, one hundred twenty-two million, one hundred forty thousand, forty-five".