112188001 has 2 divisors, whose sum is σ = 112188002. Its totient is φ = 112188000.

The previous prime is 112187993. The next prime is 112188019. The reversal of 112188001 is 100881211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65934400 + 46253601 = 8120^2 + 6801^2 .

It is a cyclic number.

It is not a de Polignac number, because 112188001 - 2³ = 112187993 is a prime.

It is a super-4 number, since 4×112188001⁴ (a number of 33 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (112188031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56094000 + 56094001.

It is an arithmetic number, because the mean of its divisors is an integer number (56094001).

Almost surely, 2^112188001 is an apocalyptic number.

It is an amenable number.

112188001 is a deficient number, since it is larger than the sum of its proper divisors (1).

112188001 is an equidigital number, since it uses as much as digits as its factorization.

112188001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 22.

The square root of 112188001 is about 10591.8837323679. The cubic root of 112188001 is about 482.2980098977.

The spelling of 112188001 in words is "one hundred twelve million, one hundred eighty-eight thousand, one".