10191128 has 8 divisors (see below), whose sum is σ = 19108380. Its totient is φ = 5095560.

The previous prime is 10191119. The next prime is 10191133. The reversal of 10191128 is 82119101.

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 polite number, since it can be written as a sum of consecutive naturals, namely, 636938 + ... + 636953.

Almost surely, 2^10191128 is an apocalyptic number.

It is an amenable number.

10191128 is a deficient number, since it is larger than the sum of its proper divisors (8917252).

10191128 is a wasteful number, since it uses less digits than its factorization.

10191128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1273897 (or 1273893 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 23.

The square root of 10191128 is about 3192.3546168933. The cubic root of 10191128 is about 216.8073920765.

The spelling of 10191128 in words is "ten million, one hundred ninety-one thousand, one hundred twenty-eight".