111438707 has 4 divisors (see below), whose sum is σ = 115033536. Its totient is φ = 107843880.

The previous prime is 111438683. The next prime is 111438713. The reversal of 111438707 is 707834111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 111438707 - 2²⁶ = 44329843 is a prime.

It is a super-3 number, since 3×111438707³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111438797) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1797368 + ... + 1797429.

It is an arithmetic number, because the mean of its divisors is an integer number (28758384).

Almost surely, 2^111438707 is an apocalyptic number.

111438707 is a deficient number, since it is larger than the sum of its proper divisors (3594829).

111438707 is an equidigital number, since it uses as much as digits as its factorization.

111438707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3594828.

The product of its (nonzero) digits is 4704, while the sum is 32.

The square root of 111438707 is about 10556.4533343354. The cubic root of 111438707 is about 481.2218682156.

The spelling of 111438707 in words is "one hundred eleven million, four hundred thirty-eight thousand, seven hundred seven".