128743046 has 16 divisors (see below), whose sum is σ = 197032176. Its totient is φ = 63075936.

The previous prime is 128743037. The next prime is 128743049. The reversal of 128743046 is 640347821.

It is a super-3 number, since 3×128743046³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 128742997 and 128743015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128743049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23960 + ... + 28836.

It is an arithmetic number, because the mean of its divisors is an integer number (12314511).

Almost surely, 2^128743046 is an apocalyptic number.

128743046 is a deficient number, since it is larger than the sum of its proper divisors (68289130).

128743046 is a wasteful number, since it uses less digits than its factorization.

128743046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5143.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 128743046 is about 11346.4992839201. The cubic root of 128743046 is about 504.9417257856.

The spelling of 128743046 in words is "one hundred twenty-eight million, seven hundred forty-three thousand, forty-six".