612848128 has 40 divisors (see below), whose sum is σ = 1233578412. Its totient is φ = 304152576.

The previous prime is 612848107. The next prime is 612848149. The reversal of 612848128 is 821848216.

It is an interprime number because it is at equal distance from previous prime (612848107) and next prime (612848149).

It can be written as a sum of positive squares in 2 ways, for example, as 612661504 + 186624 = 24752^2 + 432^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65776 + ... + 74512.

Almost surely, 2^612848128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 612848128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (616789206).

612848128 is an abundant number, since it is smaller than the sum of its proper divisors (620730284).

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

612848128 is an equidigital number, since it uses as much as digits as its factorization.

612848128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8892 (or 8876 counting only the distinct ones).

The product of its digits is 49152, while the sum is 40.

The square root of 612848128 is about 24755.7695901380. The cubic root of 612848128 is about 849.4104922863.

The spelling of 612848128 in words is "six hundred twelve million, eight hundred forty-eight thousand, one hundred twenty-eight".