1122285123 has 24 divisors (see below), whose sum is σ = 1708639920. Its totient is φ = 708751680.

The previous prime is 1122285121. The next prime is 1122285133. The reversal of 1122285123 is 3215822211.

1122285123 is a `hidden beast` number, since 1 + 122 + 28 + 512 + 3 = 666.

It is not a de Polignac number, because 1122285123 - 2¹ = 1122285121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1122285121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26733 + ... + 54398.

It is an arithmetic number, because the mean of its divisors is an integer number (71193330).

Almost surely, 2^1122285123 is an apocalyptic number.

1122285123 is a deficient number, since it is larger than the sum of its proper divisors (586354797).

1122285123 is a wasteful number, since it uses less digits than its factorization.

1122285123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81219 (or 81216 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 1122285123 is about 33500.5242197790. The cubic root of 1122285123 is about 1039.2046196060.

The spelling of 1122285123 in words is "one billion, one hundred twenty-two million, two hundred eighty-five thousand, one hundred twenty-three".