1235430056 has 64 divisors (see below), whose sum is σ = 2682228480. Its totient is φ = 522547200.

The previous prime is 1235430047. The next prime is 1235430061. The reversal of 1235430056 is 6500345321.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1631630 + ... + 1632386.

It is an arithmetic number, because the mean of its divisors is an integer number (41909820).

Almost surely, 2^1235430056 is an apocalyptic number.

It is an amenable number.

1235430056 is an abundant number, since it is smaller than the sum of its proper divisors (1446798424).

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

1235430056 is a wasteful number, since it uses less digits than its factorization.

1235430056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1114 (or 1110 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 1235430056 is about 35148.6849825139. The cubic root of 1235430056 is about 1073.0156451695.

Adding to 1235430056 its reverse (6500345321), we get a palindrome (7735775377).

The spelling of 1235430056 in words is "one billion, two hundred thirty-five million, four hundred thirty thousand, fifty-six".