111132123 has 8 divisors (see below), whose sum is σ = 148712208. Its totient is φ = 73820064.

The previous prime is 111132107. The next prime is 111132137. The reversal of 111132123 is 321231111.

It is a happy number.

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

It is not a de Polignac number, because 111132123 - 2⁴ = 111132107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111132173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66036 + ... + 67697.

It is an arithmetic number, because the mean of its divisors is an integer number (18589026).

Almost surely, 2^111132123 is an apocalyptic number.

111132123 is a deficient number, since it is larger than the sum of its proper divisors (37580085).

111132123 is a wasteful number, since it uses less digits than its factorization.

111132123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134013.

The product of its digits is 36, while the sum is 15.

The square root of 111132123 is about 10541.9221681817. The cubic root of 111132123 is about 480.7801592468.

Adding to 111132123 its reverse (321231111), we get a palindrome (432363234).

It can be divided in two parts, 1111 and 32123, that multiplied together give a palindrome (35688653).

The spelling of 111132123 in words is "one hundred eleven million, one hundred thirty-two thousand, one hundred twenty-three".