1442421401 has 4 divisors (see below), whose sum is σ = 1492160100. Its totient is φ = 1392682704.

The previous prime is 1442421397. The next prime is 1442421467. The reversal of 1442421401 is 1041242441.

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 381225625 + 1061195776 = 19525^2 + 32576^2 .

It is a cyclic number.

It is not a de Polignac number, because 1442421401 - 2² = 1442421397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1442421901) 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, 24869306 + ... + 24869363.

It is an arithmetic number, because the mean of its divisors is an integer number (373040025).

Almost surely, 2^1442421401 is an apocalyptic number.

It is an amenable number.

1442421401 is a deficient number, since it is larger than the sum of its proper divisors (49738699).

1442421401 is an equidigital number, since it uses as much as digits as its factorization.

1442421401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49738698.

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 1442421401 is about 37979.2232806307. The cubic root of 1442421401 is about 1129.8758317633.

Adding to 1442421401 its reverse (1041242441), we get a palindrome (2483663842).

The spelling of 1442421401 in words is "one billion, four hundred forty-two million, four hundred twenty-one thousand, four hundred one".