1123142122 has 8 divisors (see below), whose sum is σ = 1684913472. Its totient is φ = 561504300.

The previous prime is 1123142099. The next prime is 1123142147. The reversal of 1123142122 is 2212413211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1123142122² = 2522896452421325768, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1123142122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8704 + ... + 48187.

It is an arithmetic number, because the mean of its divisors is an integer number (210614184).

Almost surely, 2^1123142122 is an apocalyptic number.

1123142122 is a deficient number, since it is larger than the sum of its proper divisors (561771350).

1123142122 is an equidigital number, since it uses as much as digits as its factorization.

1123142122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66764.

The product of its digits is 192, while the sum is 19.

The square root of 1123142122 is about 33513.3126085739. The cubic root of 1123142122 is about 1039.4690713350.

Adding to 1123142122 its reverse (2212413211), we get a palindrome (3335555333).

The spelling of 1123142122 in words is "one billion, one hundred twenty-three million, one hundred forty-two thousand, one hundred twenty-two".