1222001123 has 8 divisors (see below), whose sum is σ = 1478724192. Its totient is φ = 985815936.

The previous prime is 1222001119. The next prime is 1222001129. The reversal of 1222001123 is 3211002221.

It is a happy number.

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

It is not a de Polignac number, because 1222001123 - 2² = 1222001119 is a prime.

It is a super-2 number, since 2×1222001123² = 2986573489226522258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1222001098 and 1222001107.

It is not an unprimeable number, because it can be changed into a prime (1222001129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5134340 + ... + 5134577.

It is an arithmetic number, because the mean of its divisors is an integer number (184840524).

Almost surely, 2^1222001123 is an apocalyptic number.

1222001123 is a deficient number, since it is larger than the sum of its proper divisors (256723069).

1222001123 is a wasteful number, since it uses less digits than its factorization.

1222001123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10268941.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1222001123 is about 34957.1326484310. The cubic root of 1222001123 is about 1069.1136348974.

Adding to 1222001123 its reverse (3211002221), we get a palindrome (4433003344).

The spelling of 1222001123 in words is "one billion, two hundred twenty-two million, one thousand, one hundred twenty-three".