128206030 has 8 divisors (see below), whose sum is σ = 230770872. Its totient is φ = 51282408.

The previous prime is 128206003. The next prime is 128206051. The reversal of 128206030 is 30602821.

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

It is a super-2 number, since 2×128206030² = 32873572256721800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 128205992 and 128206010.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 6410292 + ... + 6410311.

It is an arithmetic number, because the mean of its divisors is an integer number (28846359).

Almost surely, 2^128206030 is an apocalyptic number.

128206030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

128206030 is a deficient number, since it is larger than the sum of its proper divisors (102564842).

128206030 is a wasteful number, since it uses less digits than its factorization.

128206030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12820610.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 128206030 is about 11322.8101635592. The cubic root of 128206030 is about 504.2386724406.

Adding to 128206030 its reverse (30602821), we get a palindrome (158808851).

The spelling of 128206030 in words is "one hundred twenty-eight million, two hundred six thousand, thirty".