128452612 has 12 divisors (see below), whose sum is σ = 238015260. Its totient is φ = 60448256.

The previous prime is 128452607. The next prime is 128452627. The reversal of 128452612 is 216254821.

It can be written as a sum of positive squares in 2 ways, for example, as 51609856 + 76842756 = 7184^2 + 8766^2 .

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, 944437 + ... + 944572.

It is an arithmetic number, because the mean of its divisors is an integer number (19834605).

Almost surely, 2^128452612 is an apocalyptic number.

It is an amenable number.

128452612 is a deficient number, since it is larger than the sum of its proper divisors (109562648).

128452612 is a wasteful number, since it uses less digits than its factorization.

128452612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1889030 (or 1889028 counting only the distinct ones).

The product of its digits is 7680, while the sum is 31.

The square root of 128452612 is about 11333.6936609386. The cubic root of 128452612 is about 504.5617372044.

The spelling of 128452612 in words is "one hundred twenty-eight million, four hundred fifty-two thousand, six hundred twelve".