1416111243 has 4 divisors (see below), whose sum is σ = 1888148328. Its totient is φ = 944074160.

The previous prime is 1416111241. The next prime is 1416111247. The reversal of 1416111243 is 3421116141.

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 1416111243 - 2¹ = 1416111241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1416111241) 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, 236018538 + ... + 236018543.

It is an arithmetic number, because the mean of its divisors is an integer number (472037082).

Almost surely, 2^1416111243 is an apocalyptic number.

1416111243 is a deficient number, since it is larger than the sum of its proper divisors (472037085).

1416111243 is an equidigital number, since it uses as much as digits as its factorization.

1416111243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472037084.

The product of its digits is 576, while the sum is 24.

The square root of 1416111243 is about 37631.2535401094. The cubic root of 1416111243 is about 1122.9638872805.

Adding to 1416111243 its reverse (3421116141), we get a palindrome (4837227384).

The spelling of 1416111243 in words is "one billion, four hundred sixteen million, one hundred eleven thousand, two hundred forty-three".