112001001 has 16 divisors (see below), whose sum is σ = 171540864. Its totient is φ = 63673344.

The previous prime is 112000963. The next prime is 112001011. The reversal of 112001001 is 100100211.

It is not a de Polignac number, because 112001001 - 2⁶ = 112000937 is a prime.

112001001 is a modest number, since divided by 1001 gives 112 as remainder.

It is not an unprimeable number, because it can be changed into a prime (112001011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9400 + ... + 17673.

It is an arithmetic number, because the mean of its divisors is an integer number (10721304).

Almost surely, 2^112001001 is an apocalyptic number.

It is an amenable number.

112001001 is a deficient number, since it is larger than the sum of its proper divisors (59539863).

112001001 is a wasteful number, since it uses less digits than its factorization.

112001001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27280.

The product of its (nonzero) digits is 2, while the sum is 6.

The square root of 112001001 is about 10583.0525369574. The cubic root of 112001001 is about 482.0298888739.

Adding to 112001001 its reverse (100100211), we get a palindrome (212101212).

The spelling of 112001001 in words is "one hundred twelve million, one thousand, one".