128244963 has 32 divisors (see below), whose sum is σ = 218161152. Its totient is φ = 65066400.

The previous prime is 128244959. The next prime is 128244967. The reversal of 128244963 is 369442821.

It is an interprime number because it is at equal distance from previous prime (128244959) and next prime (128244967).

It is not a de Polignac number, because 128244963 - 2² = 128244959 is a prime.

It is not an unprimeable number, because it can be changed into a prime (128244967) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3478 + ... + 16388.

It is an arithmetic number, because the mean of its divisors is an integer number (6817536).

Almost surely, 2^128244963 is an apocalyptic number.

128244963 is a deficient number, since it is larger than the sum of its proper divisors (89916189).

128244963 is a wasteful number, since it uses less digits than its factorization.

128244963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12975.

The product of its digits is 82944, while the sum is 39.

The square root of 128244963 is about 11324.5292617398. The cubic root of 128244963 is about 504.2897088788.

The spelling of 128244963 in words is "one hundred twenty-eight million, two hundred forty-four thousand, nine hundred sixty-three".