128746351 has 2 divisors, whose sum is σ = 128746352. Its totient is φ = 128746350.

The previous prime is 128746307. The next prime is 128746357. The reversal of 128746351 is 153647821.

It is a strong prime.

It is an emirp because it is prime and its reverse (153647821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 128746351 - 2²¹ = 126649199 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 128746351.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (128746357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64373175 + 64373176.

It is an arithmetic number, because the mean of its divisors is an integer number (64373176).

Almost surely, 2^128746351 is an apocalyptic number.

128746351 is a deficient number, since it is larger than the sum of its proper divisors (1).

128746351 is an equidigital number, since it uses as much as digits as its factorization.

128746351 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 37.

The square root of 128746351 is about 11346.6449226192. The cubic root of 128746351 is about 504.9460465837.

The spelling of 128746351 in words is "one hundred twenty-eight million, seven hundred forty-six thousand, three hundred fifty-one".