111450001 has 4 divisors (see below), whose sum is σ = 120023092. Its totient is φ = 102876912.

The previous prime is 111449971. The next prime is 111450007. The reversal of 111450001 is 100054111.

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

It can be written as a sum of positive squares in 2 ways, for example, as 46566976 + 64883025 = 6824^2 + 8055^2 .

It is a cyclic number.

It is not a de Polignac number, because 111450001 - 2⁷ = 111449873 is a prime.

It is a super-2 number, since 2×111450001² = 24842205445800002, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 8573077 = 111450001 / (1 + 1 + 1 + 4 + 5 + 0 + 0 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111450007) 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 3 ways as a sum of consecutive naturals, for example, 4286526 + ... + 4286551.

It is an arithmetic number, because the mean of its divisors is an integer number (30005773).

Almost surely, 2^111450001 is an apocalyptic number.

It is an amenable number.

111450001 is a deficient number, since it is larger than the sum of its proper divisors (8573091).

111450001 is an equidigital number, since it uses as much as digits as its factorization.

111450001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8573090.

The product of its (nonzero) digits is 20, while the sum is 13.

The square root of 111450001 is about 10556.9882542324. The cubic root of 111450001 is about 481.2381244947.

It can be divided in two parts, 1114 and 50001, that added together give a palindrome (51115).

The spelling of 111450001 in words is "one hundred eleven million, four hundred fifty thousand, one".