1223032130 has 24 divisors (see below), whose sum is σ = 2301344892. Its totient is φ = 467940704.

The previous prime is 1223032121. The next prime is 1223032157. The reversal of 1223032130 is 312303221.

It can be written as a sum of positive squares in 2 ways, for example, as 1210970401 + 12061729 = 34799^2 + 3473^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1223032099 and 1223032108.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 110309 + ... + 120888.

Almost surely, 2^1223032130 is an apocalyptic number.

1223032130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1223032130 is a deficient number, since it is larger than the sum of its proper divisors (1078312762).

1223032130 is a wasteful number, since it uses less digits than its factorization.

1223032130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231250 (or 231227 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1223032130 is about 34971.8762722277. The cubic root of 1223032130 is about 1069.4142221258.

Adding to 1223032130 its reverse (312303221), we get a palindrome (1535335351).

The spelling of 1223032130 in words is "one billion, two hundred twenty-three million, thirty-two thousand, one hundred thirty".