1223014128 has 60 divisors (see below), whose sum is σ = 3675289320. Its totient is φ = 349431936.

The previous prime is 1223014123. The next prime is 1223014189. The reversal of 1223014128 is 8214103221.

1223014128 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 1223014098 and 1223014107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223014123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 257643 + ... + 262346.

It is an arithmetic number, because the mean of its divisors is an integer number (61254822).

Almost surely, 2^1223014128 is an apocalyptic number.

It is an amenable number.

1223014128 is an abundant number, since it is smaller than the sum of its proper divisors (2452275192).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1223014128 is a wasteful number, since it uses less digits than its factorization.

1223014128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520014 (or 520001 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 1223014128 is about 34971.6188930395. The cubic root of 1223014128 is about 1069.4089751420.

Adding to 1223014128 its reverse (8214103221), we get a palindrome (9437117349).

The spelling of 1223014128 in words is "one billion, two hundred twenty-three million, fourteen thousand, one hundred twenty-eight".