128467654 has 16 divisors (see below), whose sum is σ = 224386848. Its totient is φ = 54018432.

The previous prime is 128467631. The next prime is 128467681. The reversal of 128467654 is 456764821.

It is a self number, because there is not a number n which added to its sum of digits gives 128467654.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85827 + ... + 87310.

It is an arithmetic number, because the mean of its divisors is an integer number (14024178).

Almost surely, 2^128467654 is an apocalyptic number.

128467654 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

128467654 is a deficient number, since it is larger than the sum of its proper divisors (95919194).

128467654 is a wasteful number, since it uses less digits than its factorization.

128467654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173199.

The product of its digits is 322560, while the sum is 43.

The square root of 128467654 is about 11334.3572380616. The cubic root of 128467654 is about 504.5814314229.

The spelling of 128467654 in words is "one hundred twenty-eight million, four hundred sixty-seven thousand, six hundred fifty-four".