989127042 has 32 divisors (see below), whose sum is σ = 2103864000. Its totient is φ = 309132288.

The previous prime is 989127011. The next prime is 989127067. The reversal of 989127042 is 240721989.

989127042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 989126985 and 989127003.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33667 + ... + 55782.

It is an arithmetic number, because the mean of its divisors is an integer number (65745750).

Almost surely, 2^989127042 is an apocalyptic number.

989127042 is an abundant number, since it is smaller than the sum of its proper divisors (1114736958).

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

989127042 is a wasteful number, since it uses less digits than its factorization.

989127042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89570.

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 989127042 is about 31450.3901724605. The cubic root of 989127042 is about 996.3624650497.

The spelling of 989127042 in words is "nine hundred eighty-nine million, one hundred twenty-seven thousand, forty-two".