112251001 has 4 divisors (see below), whose sum is σ = 112272292. Its totient is φ = 112229712.

The previous prime is 112250977. The next prime is 112251023. The reversal of 112251001 is 100152211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 100152211 = 19 ⋅5271169.

It can be written as a sum of positive squares in 2 ways, for example, as 106605625 + 5645376 = 10325^2 + 2376^2 .

It is a cyclic number.

It is not a de Polignac number, because 112251001 - 2¹¹ = 112248953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112251301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3775 + ... + 15451.

It is an arithmetic number, because the mean of its divisors is an integer number (28068073).

Almost surely, 2^112251001 is an apocalyptic number.

It is an amenable number.

112251001 is a deficient number, since it is larger than the sum of its proper divisors (21291).

112251001 is an equidigital number, since it uses as much as digits as its factorization.

112251001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21290.

The product of its (nonzero) digits is 20, while the sum is 13.

The square root of 112251001 is about 10594.8572902140. The cubic root of 112251001 is about 482.3882723397.

The spelling of 112251001 in words is "one hundred twelve million, two hundred fifty-one thousand, one".