101043128 has 8 divisors (see below), whose sum is σ = 189455880. Its totient is φ = 50521560.

The previous prime is 101043119. The next prime is 101043149. The reversal of 101043128 is 821340101.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6315188 + ... + 6315203.

It is an arithmetic number, because the mean of its divisors is an integer number (23681985).

Almost surely, 2^101043128 is an apocalyptic number.

It is an amenable number.

101043128 is a deficient number, since it is larger than the sum of its proper divisors (88412752).

101043128 is a wasteful number, since it uses less digits than its factorization.

101043128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12630397 (or 12630393 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 101043128 is about 10052.0210903082. The cubic root of 101043128 is about 465.7672276533.

Adding to 101043128 its reverse (821340101), we get a palindrome (922383229).

The spelling of 101043128 in words is "one hundred one million, forty-three thousand, one hundred twenty-eight".