128967253 has 8 divisors (see below), whose sum is σ = 137374272. Its totient is φ = 120651456.

The previous prime is 128967247. The next prime is 128967259. The reversal of 128967253 is 352769821.

It is an interprime number because it is at equal distance from previous prime (128967247) and next prime (128967259).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 128967253 - 2²¹ = 126870101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128967259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19875 + ... + 25552.

It is an arithmetic number, because the mean of its divisors is an integer number (17171784).

Almost surely, 2^128967253 is an apocalyptic number.

It is an amenable number.

128967253 is a deficient number, since it is larger than the sum of its proper divisors (8407019).

128967253 is a wasteful number, since it uses less digits than its factorization.

128967253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45611.

The product of its digits is 181440, while the sum is 43.

The square root of 128967253 is about 11356.3749938085. The cubic root of 128967253 is about 505.2346757533.

The spelling of 128967253 in words is "one hundred twenty-eight million, nine hundred sixty-seven thousand, two hundred fifty-three".