1230210135 has 48 divisors (see below), whose sum is σ = 2658539520. Its totient is φ = 511254720.

The previous prime is 1230210097. The next prime is 1230210143. The reversal of 1230210135 is 5310120321.

It is not a de Polignac number, because 1230210135 - 2⁹ = 1230209623 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 174055 + ... + 180984.

It is an arithmetic number, because the mean of its divisors is an integer number (55386240).

Almost surely, 2^1230210135 is an apocalyptic number.

1230210135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1230210135 is an abundant number, since it is smaller than the sum of its proper divisors (1428329385).

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

1230210135 is a wasteful number, since it uses less digits than its factorization.

1230210135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355068 (or 355065 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 1230210135 is about 35074.3515264360. The cubic root of 1230210135 is about 1071.5022817479.

Adding to 1230210135 its reverse (5310120321), we get a palindrome (6540330456).

The spelling of 1230210135 in words is "one billion, two hundred thirty million, two hundred ten thousand, one hundred thirty-five".