1452142122421 has 8 divisors (see below), whose sum is σ = 1534518406080. Its totient is φ = 1370360613888.

The previous prime is 1452142122377. The next prime is 1452142122449. The reversal of 1452142122421 is 1242212412541.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1452142122421 - 2³¹ = 1449994638773 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 (1452142122461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148688761 + ... + 148698526.

It is an arithmetic number, because the mean of its divisors is an integer number (191814800760).

Almost surely, 2^{1452142122421} is an apocalyptic number.

It is an amenable number.

1452142122421 is a deficient number, since it is larger than the sum of its proper divisors (82376283659).

1452142122421 is a wasteful number, since it uses less digits than its factorization.

1452142122421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297387563.

The product of its digits is 10240, while the sum is 31.

Adding to 1452142122421 its reverse (1242212412541), we get a palindrome (2694354534962).

The spelling of 1452142122421 in words is "one trillion, four hundred fifty-two billion, one hundred forty-two million, one hundred twenty-two thousand, four hundred twenty-one".