1122143345 has 16 divisors (see below), whose sum is σ = 1357534272. Its totient is φ = 890429760.

The previous prime is 1122143311. The next prime is 1122143383. The reversal of 1122143345 is 5433412211.

It is a happy number.

It is not a de Polignac number, because 1122143345 - 2¹⁴ = 1122126961 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 537674 + ... + 539756.

It is an arithmetic number, because the mean of its divisors is an integer number (84845892).

Almost surely, 2^1122143345 is an apocalyptic number.

It is an amenable number.

1122143345 is a deficient number, since it is larger than the sum of its proper divisors (235390927).

1122143345 is a wasteful number, since it uses less digits than its factorization.

1122143345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2912.

The product of its digits is 2880, while the sum is 26.

The square root of 1122143345 is about 33498.4080965051. The cubic root of 1122143345 is about 1039.1608569429.

Adding to 1122143345 its reverse (5433412211), we get a palindrome (6555555556).

The spelling of 1122143345 in words is "one billion, one hundred twenty-two million, one hundred forty-three thousand, three hundred forty-five".