1442122401 has 16 divisors (see below), whose sum is σ = 2036936000. Its totient is φ = 905007168.

The previous prime is 1442122391. The next prime is 1442122457. The reversal of 1442122401 is 1042212441.

It is not a de Polignac number, because 1442122401 - 2⁶ = 1442122337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1442122481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71626 + ... + 89523.

It is an arithmetic number, because the mean of its divisors is an integer number (127308500).

Almost surely, 2^1442122401 is an apocalyptic number.

It is an amenable number.

1442122401 is a deficient number, since it is larger than the sum of its proper divisors (594813599).

1442122401 is a wasteful number, since it uses less digits than its factorization.

1442122401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161328.

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 1442122401 is about 37975.2867138617. The cubic root of 1442122401 is about 1129.7977555924.

Adding to 1442122401 its reverse (1042212441), we get a palindrome (2484334842).

The spelling of 1442122401 in words is "one billion, four hundred forty-two million, one hundred twenty-two thousand, four hundred one".