126191328 has 48 divisors (see below), whose sum is σ = 341945856. Its totient is φ = 40705920.

The previous prime is 126191327. The next prime is 126191437. The reversal of 126191328 is 823191621.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126191321) 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, 18226 + ... + 24177.

It is an arithmetic number, because the mean of its divisors is an integer number (7123872).

Almost surely, 2^126191328 is an apocalyptic number.

It is an amenable number.

126191328 is an abundant number, since it is smaller than the sum of its proper divisors (215754528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126191328 is a wasteful number, since it uses less digits than its factorization.

126191328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42447 (or 42439 counting only the distinct ones).

The product of its digits is 5184, while the sum is 33.

The square root of 126191328 is about 11233.4913539825. The cubic root of 126191328 is about 501.5834176173.

The spelling of 126191328 in words is "one hundred twenty-six million, one hundred ninety-one thousand, three hundred twenty-eight".