112489421 has 16 divisors (see below), whose sum is σ = 127899648. Its totient is φ = 98007600.

The previous prime is 112489381. The next prime is 112489453. The reversal of 112489421 is 124984211.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112489421 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112489121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34946 + ... + 38028.

It is an arithmetic number, because the mean of its divisors is an integer number (7993728).

Almost surely, 2^112489421 is an apocalyptic number.

112489421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

112489421 is a deficient number, since it is larger than the sum of its proper divisors (15410227).

112489421 is a wasteful number, since it uses less digits than its factorization.

112489421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3232.

The product of its digits is 4608, while the sum is 32.

The square root of 112489421 is about 10606.1030072313. The cubic root of 112489421 is about 482.7295601067.

The spelling of 112489421 in words is "one hundred twelve million, four hundred eighty-nine thousand, four hundred twenty-one".