111814973 has 2 divisors, whose sum is σ = 111814974. Its totient is φ = 111814972.

The previous prime is 111814957. The next prime is 111814987. The reversal of 111814973 is 379418111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71199844 + 40615129 = 8438^2 + 6373^2 .

It is a cyclic number.

It is not a de Polignac number, because 111814973 - 2⁴ = 111814957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111814273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55907486 + 55907487.

It is an arithmetic number, because the mean of its divisors is an integer number (55907487).

Almost surely, 2^111814973 is an apocalyptic number.

It is an amenable number.

111814973 is a deficient number, since it is larger than the sum of its proper divisors (1).

111814973 is an equidigital number, since it uses as much as digits as its factorization.

111814973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 35.

The square root of 111814973 is about 10574.2599268223. The cubic root of 111814973 is about 481.7628652235.

The spelling of 111814973 in words is "one hundred eleven million, eight hundred fourteen thousand, nine hundred seventy-three".