111749107 has 2 divisors, whose sum is σ = 111749108. Its totient is φ = 111749106.

The previous prime is 111749083. The next prime is 111749153. The reversal of 111749107 is 701947111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111749107 - 2⁷ = 111748979 is a prime.

It is not a weakly prime, because it can be changed into another prime (111749207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55874553 + 55874554.

It is an arithmetic number, because the mean of its divisors is an integer number (55874554).

Almost surely, 2^111749107 is an apocalyptic number.

111749107 is a deficient number, since it is larger than the sum of its proper divisors (1).

111749107 is an equidigital number, since it uses as much as digits as its factorization.

111749107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1764, while the sum is 31.

The square root of 111749107 is about 10571.1450183980. The cubic root of 111749107 is about 481.6682505080.

The spelling of 111749107 in words is "one hundred eleven million, seven hundred forty-nine thousand, one hundred seven".