112142501 has 4 divisors (see below), whose sum is σ = 112289100. Its totient is φ = 111995904.

The previous prime is 112142467. The next prime is 112142509. The reversal of 112142501 is 105241211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25745476 + 86397025 = 5074^2 + 9295^2 .

It is a cyclic number.

It is not a de Polignac number, because 112142501 - 2¹⁴ = 112126117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 112142501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112142509) 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, 72146 + ... + 73683.

It is an arithmetic number, because the mean of its divisors is an integer number (28072275).

Almost surely, 2^112142501 is an apocalyptic number.

It is an amenable number.

112142501 is a deficient number, since it is larger than the sum of its proper divisors (146599).

112142501 is an equidigital number, since it uses as much as digits as its factorization.

112142501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146598.

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 112142501 is about 10589.7356435371. The cubic root of 112142501 is about 482.2327993386.

Adding to 112142501 its reverse (105241211), we get a palindrome (217383712).

The spelling of 112142501 in words is "one hundred twelve million, one hundred forty-two thousand, five hundred one".