1442021053 has 16 divisors (see below), whose sum is σ = 1614320640. Its totient is φ = 1276858800.

The previous prime is 1442021051. The next prime is 1442021069. The reversal of 1442021053 is 3501202441.

It is a cyclic number.

It is not a de Polignac number, because 1442021053 - 2¹ = 1442021051 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442021051) 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, 102478 + ... + 115696.

It is an arithmetic number, because the mean of its divisors is an integer number (100895040).

Almost surely, 2^1442021053 is an apocalyptic number.

It is an amenable number.

1442021053 is a deficient number, since it is larger than the sum of its proper divisors (172299587).

1442021053 is a wasteful number, since it uses less digits than its factorization.

1442021053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13488.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1442021053 is about 37973.9522962780. The cubic root of 1442021053 is about 1129.7712887162.

Adding to 1442021053 its reverse (3501202441), we get a palindrome (4943223494).

The spelling of 1442021053 in words is "one billion, four hundred forty-two million, twenty-one thousand, fifty-three".