1442224123 has 4 divisors (see below), whose sum is σ = 1442400480. Its totient is φ = 1442047768.

The previous prime is 1442224097. The next prime is 1442224139. The reversal of 1442224123 is 3214222441.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1442224123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1442224423) 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, 75283 + ... + 92476.

It is an arithmetic number, because the mean of its divisors is an integer number (360600120).

Almost surely, 2^1442224123 is an apocalyptic number.

1442224123 is a deficient number, since it is larger than the sum of its proper divisors (176357).

1442224123 is an equidigital number, since it uses as much as digits as its factorization.

1442224123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176356.

The product of its digits is 3072, while the sum is 25.

The square root of 1442224123 is about 37976.6260086385. The cubic root of 1442224123 is about 1129.8243188913.

Adding to 1442224123 its reverse (3214222441), we get a palindrome (4656446564).

The spelling of 1442224123 in words is "one billion, four hundred forty-two million, two hundred twenty-four thousand, one hundred twenty-three".