128750941 has 16 divisors (see below), whose sum is σ = 147432960. Its totient is φ = 111292720.

The previous prime is 128750917. The next prime is 128750969. The reversal of 128750941 is 149057821.

It is not a de Polignac number, because 128750941 - 2¹³ = 128742749 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 128750941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128753941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43866 + ... + 46708.

It is an arithmetic number, because the mean of its divisors is an integer number (9214560).

Almost surely, 2^128750941 is an apocalyptic number.

128750941 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

128750941 is a deficient number, since it is larger than the sum of its proper divisors (18682019).

128750941 is a wasteful number, since it uses less digits than its factorization.

128750941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3056.

The product of its (nonzero) digits is 20160, while the sum is 37.

The square root of 128750941 is about 11346.8471832487. The cubic root of 128750941 is about 504.9520472064.

The spelling of 128750941 in words is "one hundred twenty-eight million, seven hundred fifty thousand, nine hundred forty-one".