111000949 has 2 divisors, whose sum is σ = 111000950. Its totient is φ = 111000948.

The previous prime is 111000947. The next prime is 111000959. The reversal of 111000949 is 949000111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97911025 + 13089924 = 9895^2 + 3618^2 .

It is a cyclic number.

It is not a de Polignac number, because 111000949 - 2¹ = 111000947 is a prime.

Together with 111000947, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111000941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55500474 + 55500475.

It is an arithmetic number, because the mean of its divisors is an integer number (55500475).

Almost surely, 2^111000949 is an apocalyptic number.

It is an amenable number.

111000949 is a deficient number, since it is larger than the sum of its proper divisors (1).

111000949 is an equidigital number, since it uses as much as digits as its factorization.

111000949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 25.

The square root of 111000949 is about 10535.6987903034. The cubic root of 111000949 is about 480.5909229747.

The spelling of 111000949 in words is "one hundred eleven million, nine hundred forty-nine", and thus it is an aban number.