111430087 has 8 divisors (see below), whose sum is σ = 120863232. Its totient is φ = 102316800.

The previous prime is 111430069. The next prime is 111430129. The reversal of 111430087 is 780034111.

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

It is a cyclic number.

It is not a de Polignac number, because 111430087 - 2⁷ = 111429959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111430057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79239 + ... + 80632.

It is an arithmetic number, because the mean of its divisors is an integer number (15107904).

Almost surely, 2^111430087 is an apocalyptic number.

111430087 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

111430087 is a deficient number, since it is larger than the sum of its proper divisors (9433145).

111430087 is a wasteful number, since it uses less digits than its factorization.

111430087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159929.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 111430087 is about 10556.0450453757. The cubic root of 111430087 is about 481.2094600809.

Adding to 111430087 its reverse (780034111), we get a palindrome (891464198).

The spelling of 111430087 in words is "one hundred eleven million, four hundred thirty thousand, eighty-seven".