111132397 has 2 divisors, whose sum is σ = 111132398. Its totient is φ = 111132396.

The previous prime is 111132377. The next prime is 111132401. The reversal of 111132397 is 793231111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89472681 + 21659716 = 9459^2 + 4654^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111132397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111132337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55566198 + 55566199.

It is an arithmetic number, because the mean of its divisors is an integer number (55566199).

Almost surely, 2^111132397 is an apocalyptic number.

It is an amenable number.

111132397 is a deficient number, since it is larger than the sum of its proper divisors (1).

111132397 is an equidigital number, since it uses as much as digits as its factorization.

111132397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1134, while the sum is 28.

The square root of 111132397 is about 10541.9351639061. The cubic root of 111132397 is about 480.7805543730.

The spelling of 111132397 in words is "one hundred eleven million, one hundred thirty-two thousand, three hundred ninety-seven".