112137889 has 2 divisors, whose sum is σ = 112137890. Its totient is φ = 112137888.

The previous prime is 112137869. The next prime is 112137973. The reversal of 112137889 is 988731211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67782289 + 44355600 = 8233^2 + 6660^2 .

It is a cyclic number.

It is not a de Polignac number, because 112137889 - 2²¹ = 110040737 is a prime.

It is a super-2 number, since 2×112137889² = 25149812298752642, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (112137859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56068944 + 56068945.

It is an arithmetic number, because the mean of its divisors is an integer number (56068945).

Almost surely, 2^112137889 is an apocalyptic number.

It is an amenable number.

112137889 is a deficient number, since it is larger than the sum of its proper divisors (1).

112137889 is an equidigital number, since it uses as much as digits as its factorization.

112137889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 40.

The square root of 112137889 is about 10589.5178832655. The cubic root of 112137889 is about 482.2261884399.

The spelling of 112137889 in words is "one hundred twelve million, one hundred thirty-seven thousand, eight hundred eighty-nine".