128479045 has 16 divisors (see below), whose sum is σ = 163304640. Its totient is φ = 96764544.

The previous prime is 128479037. The next prime is 128479067. The reversal of 128479045 is 540974821.

It is a cyclic number.

It is not a de Polignac number, because 128479045 - 2³ = 128479037 is a prime.

It is a super-2 number, since 2×128479045² = 33013730008224050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 128478989 and 128479007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11337 + ... + 19633.

It is an arithmetic number, because the mean of its divisors is an integer number (10206540).

Almost surely, 2^128479045 is an apocalyptic number.

It is an amenable number.

128479045 is a deficient number, since it is larger than the sum of its proper divisors (34825595).

128479045 is a wasteful number, since it uses less digits than its factorization.

128479045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8484.

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 128479045 is about 11334.8597256428. The cubic root of 128479045 is about 504.5963444303.

The spelling of 128479045 in words is "one hundred twenty-eight million, four hundred seventy-nine thousand, forty-five".