1232120304 has 120 divisors (see below), whose sum is σ = 3632222880. Its totient is φ = 389131776.

The previous prime is 1232120293. The next prime is 1232120333. The reversal of 1232120304 is 4030212321.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 359302 + ... + 362714.

It is an arithmetic number, because the mean of its divisors is an integer number (30268524).

Almost surely, 2^1232120304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1232120304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1816111440).

1232120304 is an abundant number, since it is smaller than the sum of its proper divisors (2400102576).

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

1232120304 is a wasteful number, since it uses less digits than its factorization.

1232120304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3559 (or 3550 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1232120304 is about 35101.5712468830. The cubic root of 1232120304 is about 1072.0565751311.

Adding to 1232120304 its reverse (4030212321), we get a palindrome (5262332625).

The spelling of 1232120304 in words is "one billion, two hundred thirty-two million, one hundred twenty thousand, three hundred four".