1421054442530 has 8 divisors (see below), whose sum is σ = 2557897996572. Its totient is φ = 568421777008.

The previous prime is 1421054442529. The next prime is 1421054442547. The reversal of 1421054442530 is 352444501241.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1379151943129 + 41902499401 = 1174373^2 + 204701^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71052722117 + ... + 71052722136.

Almost surely, 2^{1421054442530} is an apocalyptic number.

1421054442530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1421054442530 is a deficient number, since it is larger than the sum of its proper divisors (1136843554042).

1421054442530 is a wasteful number, since it uses less digits than its factorization.

1421054442530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142105444260.

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 1421054442530 its reverse (352444501241), we get a palindrome (1773498943771).

The spelling of 1421054442530 in words is "one trillion, four hundred twenty-one billion, fifty-four million, four hundred forty-two thousand, five hundred thirty".