112130001 has 20 divisors (see below), whose sum is σ = 176321200. Its totient is φ = 70817976.

The previous prime is 112129999. The next prime is 112130003. The reversal of 112130001 is 100031211.

It is an interprime number because it is at equal distance from previous prime (112129999) and next prime (112130003).

It is not a de Polignac number, because 112130001 - 2¹ = 112129999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112130003) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 34891 + ... + 37968.

It is an arithmetic number, because the mean of its divisors is an integer number (8816060).

Almost surely, 2^112130001 is an apocalyptic number.

It is an amenable number.

112130001 is a deficient number, since it is larger than the sum of its proper divisors (64191199).

112130001 is an equidigital number, since it uses as much as digits as its factorization.

112130001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72890 (or 72881 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 112130001 is about 10589.1454329422. The cubic root of 112130001 is about 482.2148812614.

Adding to 112130001 its reverse (100031211), we get a palindrome (212161212).

The spelling of 112130001 in words is "one hundred twelve million, one hundred thirty thousand, one".