128846954 has 4 divisors (see below), whose sum is σ = 193270434. Its totient is φ = 64423476.

The previous prime is 128846953. The next prime is 128846983. The reversal of 128846954 is 459648821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 459648821 = 1373 ⋅334777.

It can be written as a sum of positive squares in only one way, i.e., 127351225 + 1495729 = 11285^2 + 1223^2 .

It is a junction number, because it is equal to n+sod(n) for n = 128846899 and 128846908.

It is not an unprimeable number, because it can be changed into a prime (128846953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32211737 + ... + 32211740.

Almost surely, 2^128846954 is an apocalyptic number.

128846954 is a deficient number, since it is larger than the sum of its proper divisors (64423480).

128846954 is an equidigital number, since it uses as much as digits as its factorization.

128846954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64423479.

The product of its digits is 552960, while the sum is 47.

The square root of 128846954 is about 11351.0772176036. The cubic root of 128846954 is about 505.0775347409.

The spelling of 128846954 in words is "one hundred twenty-eight million, eight hundred forty-six thousand, nine hundred fifty-four".