128954422 has 8 divisors (see below), whose sum is σ = 201841776. Its totient is φ = 61673832.

The previous prime is 128954411. The next prime is 128954437. The reversal of 128954422 is 224459821.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1401633 + ... + 1401724.

It is an arithmetic number, because the mean of its divisors is an integer number (25230222).

Almost surely, 2^128954422 is an apocalyptic number.

128954422 is a deficient number, since it is larger than the sum of its proper divisors (72887354).

128954422 is a wasteful number, since it uses less digits than its factorization.

128954422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2803382.

The product of its digits is 46080, while the sum is 37.

The square root of 128954422 is about 11355.8100547693. The cubic root of 128954422 is about 505.2179198689.

The spelling of 128954422 in words is "one hundred twenty-eight million, nine hundred fifty-four thousand, four hundred twenty-two".