1122345679 has 16 divisors (see below), whose sum is σ = 1418686528. Its totient is φ = 864006912.

The previous prime is 1122345677. The next prime is 1122345689. The reversal of 1122345679 is 9765432211.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1122345679 - 2¹ = 1122345677 is a prime.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122345677) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163302 + ... + 170035.

It is an arithmetic number, because the mean of its divisors is an integer number (88667908).

Almost surely, 2^1122345679 is an apocalyptic number.

1122345679 is a deficient number, since it is larger than the sum of its proper divisors (296340849).

1122345679 is a wasteful number, since it uses less digits than its factorization.

1122345679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333394.

The product of its digits is 90720, while the sum is 40.

The square root of 1122345679 is about 33501.4280143399. The cubic root of 1122345679 is about 1039.2233103237.

The spelling of 1122345679 in words is "one billion, one hundred twenty-two million, three hundred forty-five thousand, six hundred seventy-nine".