1242234144153 has 12 divisors (see below), whose sum is σ = 1794867711780. Its totient is φ = 827911709856.

The previous prime is 1242234144133. The next prime is 1242234144191. The reversal of 1242234144153 is 3514414322421.

1242234144153 is a `hidden beast` number, since 1 + 2 + 4 + 2 + 234 + 1 + 4 + 415 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 862842205449 + 379391938704 = 928893^2 + 615948^2 .

It is not a de Polignac number, because 1242234144153 - 2¹⁷ = 1242234013081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1242234144133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20333326 + ... + 20394327.

It is an arithmetic number, because the mean of its divisors is an integer number (149572309315).

Almost surely, 2^{1242234144153} is an apocalyptic number.

It is an amenable number.

1242234144153 is a deficient number, since it is larger than the sum of its proper divisors (552633567627).

1242234144153 is a wasteful number, since it uses less digits than its factorization.

1242234144153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40731048 (or 40731045 counting only the distinct ones).

The product of its digits is 92160, while the sum is 36.

Adding to 1242234144153 its reverse (3514414322421), we get a palindrome (4756648466574).

The spelling of 1242234144153 in words is "one trillion, two hundred forty-two billion, two hundred thirty-four million, one hundred forty-four thousand, one hundred fifty-three".