1220133430 has 8 divisors (see below), whose sum is σ = 2196240192. Its totient is φ = 488053368.

The previous prime is 1220133379. The next prime is 1220133451. The reversal of 1220133430 is 343310221.

1220133430 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 1220133398 and 1220133407.

It is a congruent number.

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, 61006662 + ... + 61006681.

It is an arithmetic number, because the mean of its divisors is an integer number (274530024).

Almost surely, 2^1220133430 is an apocalyptic number.

1220133430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220133430 is a deficient number, since it is larger than the sum of its proper divisors (976106762).

1220133430 is a wasteful number, since it uses less digits than its factorization.

1220133430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122013350.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1220133430 is about 34930.4083858176. The cubic root of 1220133430 is about 1068.5686833523.

Adding to 1220133430 its reverse (343310221), we get a palindrome (1563443651).

The spelling of 1220133430 in words is "one billion, two hundred twenty million, one hundred thirty-three thousand, four hundred thirty".