128830462 has 4 divisors (see below), whose sum is σ = 193245696. Its totient is φ = 64415230.

The previous prime is 128830459. The next prime is 128830463. The reversal of 128830462 is 264038821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 264038821 = 14629 ⋅18049.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128830463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32207614 + ... + 32207617.

It is an arithmetic number, because the mean of its divisors is an integer number (48311424).

Almost surely, 2^128830462 is an apocalyptic number.

128830462 is a deficient number, since it is larger than the sum of its proper divisors (64415234).

128830462 is an equidigital number, since it uses as much as digits as its factorization.

128830462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64415233.

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 128830462 is about 11350.3507434793. The cubic root of 128830462 is about 505.0559843825.

The spelling of 128830462 in words is "one hundred twenty-eight million, eight hundred thirty thousand, four hundred sixty-two".