112020001 has 4 divisors (see below), whose sum is σ = 112227604. Its totient is φ = 111812400.

The previous prime is 112019993. The next prime is 112020043. The reversal of 112020001 is 100020211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 100020211 = 2549 ⋅39239.

It can be written as a sum of positive squares in 2 ways, for example, as 90155025 + 21864976 = 9495^2 + 4676^2 .

It is a cyclic number.

It is not a de Polignac number, because 112020001 - 2³ = 112019993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112020061) 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, 102990 + ... + 104071.

It is an arithmetic number, because the mean of its divisors is an integer number (28056901).

Almost surely, 2^112020001 is an apocalyptic number.

It is an amenable number.

112020001 is a deficient number, since it is larger than the sum of its proper divisors (207603).

112020001 is an equidigital number, since it uses as much as digits as its factorization.

112020001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207602.

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 112020001 is about 10583.9501605025. The cubic root of 112020001 is about 482.0571447316.

Adding to 112020001 its reverse (100020211), we get a palindrome (212040212).

The spelling of 112020001 in words is "one hundred twelve million, twenty thousand, one".