128100670253 has 2 divisors, whose sum is σ = 128100670254. Its totient is φ = 128100670252.

The previous prime is 128100670223. The next prime is 128100670273. The reversal of 128100670253 is 352076001821.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117661348324 + 10439321929 = 343018^2 + 102173^2 .

It is a cyclic number.

It is not a de Polignac number, because 128100670253 - 2²⁸ = 127832234797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (128100670223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64050335126 + 64050335127.

It is an arithmetic number, because the mean of its divisors is an integer number (64050335127).

Almost surely, 2^128100670253 is an apocalyptic number.

It is an amenable number.

128100670253 is a deficient number, since it is larger than the sum of its proper divisors (1).

128100670253 is an equidigital number, since it uses as much as digits as its factorization.

128100670253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 35.

The spelling of 128100670253 in words is "one hundred twenty-eight billion, one hundred million, six hundred seventy thousand, two hundred fifty-three".