1416444121 has 4 divisors (see below), whose sum is σ = 1478028672. Its totient is φ = 1354859572.

The previous prime is 1416444089. The next prime is 1416444137. The reversal of 1416444121 is 1214446141.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1214446141 = 227 ⋅5349983.

It is a cyclic number.

It is not a de Polignac number, because 1416444121 - 2⁵ = 1416444089 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1416444121.

It is not an unprimeable number, because it can be changed into a prime (1416444151) 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, 30792241 + ... + 30792286.

It is an arithmetic number, because the mean of its divisors is an integer number (369507168).

Almost surely, 2^1416444121 is an apocalyptic number.

It is an amenable number.

1416444121 is a deficient number, since it is larger than the sum of its proper divisors (61584551).

1416444121 is an equidigital number, since it uses as much as digits as its factorization.

1416444121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61584550.

The product of its digits is 3072, while the sum is 28.

The square root of 1416444121 is about 37635.6761730143. The cubic root of 1416444121 is about 1123.0518701723.

It can be divided in two parts, 14164 and 44121, that added together give a palindrome (58285).

The spelling of 1416444121 in words is "one billion, four hundred sixteen million, four hundred forty-four thousand, one hundred twenty-one".