111332987 has 2 divisors, whose sum is σ = 111332988. Its totient is φ = 111332986.

The previous prime is 111332981. The next prime is 111333031. The reversal of 111332987 is 789233111.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111332987 - 2⁸ = 111332731 is a prime.

It is not a weakly prime, because it can be changed into another prime (111332981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55666493 + 55666494.

It is an arithmetic number, because the mean of its divisors is an integer number (55666494).

Almost surely, 2^111332987 is an apocalyptic number.

111332987 is a deficient number, since it is larger than the sum of its proper divisors (1).

111332987 is an equidigital number, since it uses as much as digits as its factorization.

111332987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 35.

The square root of 111332987 is about 10551.4447825878. Note that the first 3 decimals coincide. The cubic root of 111332987 is about 481.0696444094.

The spelling of 111332987 in words is "one hundred eleven million, three hundred thirty-two thousand, nine hundred eighty-seven".