112308121 has 4 divisors (see below), whose sum is σ = 113570100. Its totient is φ = 111046144.

The previous prime is 112308109. The next prime is 112308139. The reversal of 112308121 is 121803211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 121803211 = 971 ⋅125441.

It can be written as a sum of positive squares in 2 ways, for example, as 63027721 + 49280400 = 7939^2 + 7020^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112308121 is a prime.

It is a super-2 number, since 2×112308121² = 25226228085101282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112300121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 630856 + ... + 631033.

It is an arithmetic number, because the mean of its divisors is an integer number (28392525).

Almost surely, 2^112308121 is an apocalyptic number.

It is an amenable number.

112308121 is a deficient number, since it is larger than the sum of its proper divisors (1261979).

112308121 is an equidigital number, since it uses as much as digits as its factorization.

112308121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1261978.

The product of its (nonzero) digits is 96, while the sum is 19.

The square root of 112308121 is about 10597.5525948211. The cubic root of 112308121 is about 482.4700811001.

The spelling of 112308121 in words is "one hundred twelve million, three hundred eight thousand, one hundred twenty-one".