128462530 has 32 divisors (see below), whose sum is σ = 266302080. Its totient is φ = 43704960.

The previous prime is 128462519. The next prime is 128462533. The reversal of 128462530 is 35264821.

It is a super-2 number, since 2×128462530² = 33005243228001800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 128462492 and 128462501.

It is not an unprimeable number, because it can be changed into a prime (128462533) by changing a digit.

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, 2166 + ... + 16174.

It is an arithmetic number, because the mean of its divisors is an integer number (8321940).

Almost surely, 2^128462530 is an apocalyptic number.

128462530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

128462530 is an abundant number, since it is smaller than the sum of its proper divisors (137839550).

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

128462530 is a wasteful number, since it uses less digits than its factorization.

128462530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14154.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 128462530 is about 11334.1311974055. The cubic root of 128462530 is about 504.5747228350.

It can be divided in two parts, 12846 and 2530, that added together give a square (15376 = 124²).

The spelling of 128462530 in words is "one hundred twenty-eight million, four hundred sixty-two thousand, five hundred thirty".