111438106 has 8 divisors (see below), whose sum is σ = 180015444. Its totient is φ = 51432960.

The previous prime is 111438091. The next prime is 111438113. The reversal of 111438106 is 601834111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 111197025 + 241081 = 10545^2 + 491^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2143015 + ... + 2143066.

Almost surely, 2^111438106 is an apocalyptic number.

111438106 is a deficient number, since it is larger than the sum of its proper divisors (68577338).

111438106 is a wasteful number, since it uses less digits than its factorization.

111438106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4286096.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 111438106 is about 10556.4248682970. The cubic root of 111438106 is about 481.2210031216.

The spelling of 111438106 in words is "one hundred eleven million, four hundred thirty-eight thousand, one hundred six".